The validity of STEM-based basic physics teaching material for biology student von Wulandari, Dewi, Roza, Destria, Pulungan, Ahmad Shafwan S., Rangkuti, M. Aswin, Barta, Wasis Wuyung, Tanjung, Yul Ifda, Ramadhani, Irham, Hasim L., Rajo

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THE LEVEL UNDERSTANDING OF THERMODYNAMIC CONCEPT FOR PHYSICS AND CHEMISTRY UNDERGRADUATE STUDENTS von Wulandari, Dewi, Roza, Destria, Rangkuti, M Aswin, Tanjung, Yul Ifda, Ramadhani, Irham

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THE IMPLEMENTATION OF TEACHING MATERIAL BASED ON STEM IN FLUID FOR BIOLOGY STUDENT von Wulandari, Dewi, Roza, Destria, Pulungan, Ahmad Shafwan S., Rangkuti, M. Aswin, Wisnu Brata, Wisnu Brata, Tanjung, Yul Ifda, Ramadhani, Irham, Hasim, Rajo

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The Development of Teaching Material of Physics Introductory for Biology with Science, Technology, Engineering, and Mathematics (STEM) Approach von Rangkuti, Muhammad Aswin, Ritonga, Winsyahputra, Brata, Wasis Wuyung Wisnu

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Measles Morbidity and Mortality in the Department of Child Health, Dr. Pirngadi General Hospital, Medan, in 1973-1977 von Rangkuti, S. M., Nazir, Nasril, Sutanto, A. H., Lubis, Aswin, Siregar, Helena

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