Development Of Problem-Based Learning–Based Student Worksheets Integrated With Catur Pramana To Improve Elementary School Students’ Science Process Skills. cakrawala-ups [Internet]. 20 Mei 2026 [dikutip 20 Mei 2026];20(1):96-111. Tersedia pada: https://cakrawala.upstegal.ac.id/index.php/cakrawala/article/view/582