Does oil connect differently with prominent assets during war? Analysis of intra-day data during the Russia-Ukraine saga von Adekoya, Oluwasegun B., Oliyide, Johnson A., Yaya, OlaOluwa S., Al-Faryan, Mamdouh Abdulaziz Saleh

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Testing fractional unit roots with non-linear smooth break approximations using Fourier functions von Gil-Alana, Luis A., Yaya, OlaOluwa S.

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How persistent and dynamic inter-dependent are pricing of Bitcoin to other cryptocurrencies before and after 2017/18 crash? von Yaya, OlaOluwa S., Ogbonna, Ahamuefula E., Olubusoye, Olusanya E.

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Trend in overweight and obesity among women of reproductive age in Uganda: 1995–2016 von Yaya, S., Ghose, B.

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Volatility persistence and returns spillovers between oil and gold prices: Analysis before and after the global financial crisis von Yaya, OlaOluwa S., Tumala, Mohammed M., Udomboso, Christopher G.

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The Effect of GeoGebra in Three-Dimensional Geometry Learning on Students’ Mathematical Communication Ability von Kusumah, Yaya S., Kustiawati, Dedek, Herman, Tatang

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A meta-analysis of Geogebra software decade of assisted mathematics learning: what to learn and where to go? von Juandi, Dadang, Kusumah, Yaya S., Tamur, Maximus, Perbowo, Krisna S., Wijaya, Tommy Tanu

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Developing learning media based on Android application for improving math problem solving skill of junior high school students on Pythagorean Theorem von Nurwita, Faizah, Kusumah, Yaya S., Juandi, Dadang

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Persistence and volatility spillovers of bitcoin price to gold and silver prices von Yaya, OlaOluwa S., Lukman, Adewale F., Vo, Xuan Vinh

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A New Unit Root Test for Unemployment Hysteresis Based on the Autoregressive Neural Network von Yaya, OlaOluwa S., Ogbonna, Ahamuefula E., Furuoka, Fumitaka, Gil‐Alana, Luis A.

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The development of analytical rubrics: An avenue to assess students' mathematical reasoning behavior von Rohati, Rohati, Kusumah, Yaya S, Kusnandi, Kusnandi

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Oil shocks and volatility of green investments: GARCH-MIDAS analyses von Yaya, OlaOluwa S., Ogbonna, Ahamuefula E., Vo, Xuan Vinh

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Time series analysis of quarterly rainfall and temperature (1900–2012) in sub-Saharan African countries von Gil-Alana, Luis A., Yaya, OlaOluwa S., Fagbamigbe, Adeniyi F.

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Didactic trajectory of research in mathematics education using research-based learning von Prahmana, Rully Charitas Indra, Kusumah, Yaya S., Darhim

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An investigation into the relationship between sugarcane and grain prices in Brazil: a fractional cointegration approach von Quintino, Derick D., Yaya, OlaOluwa S., Ogino, Cristiane, Ferreira, Paulo

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Exploring Students’ Mathematical Reasoning Behavior in Junior High Schools: A Grounded Theory von Rohati, Rohati, Kusumah, Yaya S., Kusnandi, Kusnandi

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Stock market responses to COVID-19: The behaviors of mean reversion, dependence and persistence von Coskun, Yener, Akinsomi, Omokolade, Gil-Alana, Luis A., Yaya, OlaOluwa S.

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An information‐based index of uncertainty and the predictability of energy prices von Olubusoye, Olusanya E., Ogbonna, Ahamuefula E., Yaya, OlaOluwa S., Umolo, David

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Stock market prices and Dividends in the US: Bubbles or Long-run equilibria relationships? von Dettoni, Robinson, Gil-Alana, Luis A., Yaya, OlaOluwa S.

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Statistical analysis of rainfall and temperature (1901–2016) in south-east Asian countries von Yaya, OlaOluwa S., Vo, Xuan Vinh

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