Ningsih LR, Rusdi R, Miarsyah M. Exploring respiratory system to improve biological learning motivation: resysmart media application. Biosfer [Internet]. 2019 Nov. 18 [cited 2024 Nov. 24];12(2):211-22. Available from: https://journal.unj.ac.id/unj/index.php/biosfer/article/view/11540