“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”, PoPE: Pillar of Physics Education, vol. 19, no. 1, pp. 197–206, Jul. 2026, doi: 10.24036/twsffz47.