Loka IN, Wildan W, Siahaan J, Haris M, Savalas LRT. Development of learning-based chemistry devices guided discovery to improve critical thinking skills. J. Pijar.MIPA [Internet]. 2022 Nov. 30 [cited 2024 May 20];17(6):834-8. Available from: http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/5605