Utina FN, Hasan AM, Lamondo D. A Study of Online Learning Studies in Natural Sciences Subject in Biology Topic during the Covid-19 Pandemic . jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Oct. 31 [cited 2024 Nov. 22];8(4):2019-27. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1943