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Yustiningsih N, Hasibuan VK, Putri A, Simanullang N, Simatupang H, Arwita W. Teachers and Partners are Involved in implementation Project Based Learning Model of Biology Education at SMAN 13 Medan. CE [Internet]. 2024Jun.18 [cited 2024Dec.22];5(2):151-7. Available from: https://pusdikra-publishing.com/index.php/josr/article/view/1937