1.
Paramitha D, Prasetyo ZK, Jumadi J, Siregar AN. The Influence of Use of Problem-Based Learning E-Book Materials of Optical Equipment on Improving Students’ Critical Thinking Ability. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Nov. 25 [cited 2024 Sep. 10];9(11):9149-55. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/5165