NEEDS ANALYSIS FOR DEVELOPING A PROBLEM-BASED LEARNING-BASED ELECTRONIC STUDENT WORKSHEET (E-LKPD) TO ENHANCE STUDENTS’ CONCEPTUAL UNDERSTANDING AND SCIENCE PROCESS SKILLS ON TEMPERATURE AND HEATHEET (E-LKPD) TO IMPROVE STUDENT’ CONCEPTUAL UNDERSTANDING AND SCIENCE PROCESS SKILL ON TEMPERATURE AND HEAT. Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika, [S. l.], v. 19, n. 1, p. 197–206, 2026. DOI: 10.24036/twsffz47. Disponível em: http://pope.ppj.unp.ac.id/index.php/pope/article/view/32. Acesso em: 5 aug. 2026.