S, R, Rizhal Hendi. Guided discovery-blended learning (GDBL) for critical thinking skill empowerment: A learning strategy in human excretory system . Biosfer [Internet]. 2020 Oct. 22 [cited 2024 Nov. 5];13(2):266-79. Available from: https://journal.unj.ac.id/unj/index.php/biosfer/article/view/15986