SARI, Kartika Arum; PRASETYO, Zuhdan Kun; WIBOWO, Widodo Setiyo. DEVELOPMENT OF SCIENCE STUDENT WORKSHEET BASED ON PROJECT BASED LEARNING MODEL TO IMPROVE COLLABORATION AND COMMUNICATION SKILLS OF JUNIOR HIGH SCHOOL STUDENT. Journal of Science Education Research, [S. l.], v. 1, n. 1, 2017. DOI: 10.21831/jser.v1i1.16178. Disponível em: https://journal.uny.ac.id/index.php/jser/article/view/16178. Acesso em: 10 may. 2025.