Angelina K. Sinaga, Harun Sitompul, and Efendi Napitupulu. 2025. “STEM-INTEGRATED PROJECT BASED LEARNING (PJBL) LEARNING TOOLS TO IMPROVE ELEMENTARY SCHOOL STUDENTS’ CREATIVE THINKING SKILLS”. Multidiciplinary Output Research For Actual and International Issue (MORFAI) 5 (6):3468-76. https://doi.org/10.54443/morfai.v5i6.3557.