1.
Sagita D, Putra A. Validitas dan Praktikalitas E-LKPD Berbasis Problem Based Learning Materi Momentum dan Impuls. jptam [Internet]. 2023 Oct. 11 [cited 2025 Feb. 5];7(3):22181-9. Available from: http://jptam.org/index.php/jptam/article/view/10041