Pratiwi H, Ratman, Walanda DK, Darsikin, Napitupulu ND. Development of LKPD on Project Based Learning to Improve Science Process Skills and Collaboration Skills for Junior High School Students. Int. J. Educ. Hum. Soc. Stud. [Internet]. 2025 Sep. 4 [cited 2026 Feb. 1];1(2):45-52. Available from: https://journal.dpipublish.com/index.php/ijehss/article/view/22