Permana FH, Ellisa, Poncojari. The use of distance learning through whatsapp and google meeting to identify differences in biology learning outcomes . Biosfer [Internet]. 2021 Apr. 30 [cited 2024 Nov. 24];14(1):86-98. Available from: https://journal.unj.ac.id/unj/index.php/biosfer/article/view/20094