Production of Biodiesel from Candlenut Seed Oil (Aleurites Moluccana Wild) Using a NaOH/CaO/Ca Catalyst with Microwave Heating von Siregar, Elfrida, Simatupang, Lisnawaty, Sembiring, Jhony Hartanta, Ginting, Elfrida

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The impacts of science, technology, engineering, and mathematics (STEM) on critical thinking in elementary school von Elfrida Yanty Siregar, Yulia, Rachmadtullah, Reza, Pohan, Nirwana, Rasmitadila, Zulela, MS

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The impact of an integrated STEAM project delivered via mobile technology on the reasoning ability of elementary school students von Siregar, Yulia Elfrida Yanty, Rahmawati, Yuli, Suyono, Suyono

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Various cutaneous tuberculosis with rare clinical manifestations: A case series von Gunawan, Hendra, Achdiat, Pati, Hindritiani, Reti, Essary, Erika, Ningtias, Lulu, Siregar, Elfrida, Sori, Putri, Febrina, Dia

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The impact of self efficacy beliefs and work motivation on the quality of mathematics test instruments by elementary school teachers von Sarifah, Iva, Supriyati, Yetty, Rahayu, Wardani, Siregar, Yulia Elfrida Yanty

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Increasing students’ culture literacy using virtual reality field trip model: Need analysis von Iasha, Vina, Japar, Muhammad, Maksum, Arifin, Siregar, Yulia Elfrida Yanty, Andayani, Andayani

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Elementary school teacher's perspectives towards developing mathematics literacy through a STEAM-based approach to learning von Siregar, Y E Y, Rahmawati, Y, Suyono

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Flipbook and e-learning for teaching English to elementary school teacher education students von Usman, Herlina, Lestari, Ika, Siregar, Yulia Elfrida Yanty, Rafiqa, Syarifa Rafiqa, Sentryo, Izlan

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Utilization of Problem-based Learning and Discovery Learning: The Effect of Problem-Solving Ability Based on Self-Efficacy Elementary School Students von Windiyani, Tustiyana, Sofyan, Deddy, Iasha, Vina, Siregar, Yulia Elfrida Yanty, Setiawan, Bramianto

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Various cutaneous tuberculosis with rare clinical manifestations: A case series von Gunawan, Hendra, Achdiat, Pati Aji, Hindritiani, Reti, Essary, Erika Dewi, Ningtias, Lulu Dwiarti, Siregar, Elfrida Putri, Sori, Putri Reno, Febrina, Dia

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