Sihotang, A. S., and A. H. Rambe. “Development of Inquiry-Based Student Worksheets (Lkpd) on The Material of Changes in the State of Substance to Improve Critical Thinking Abilities”. Educazione: Journal of Education and Learning, vol. 3, no. 2, Dec. 2025, pp. 177-8, doi:10.61987/educazione.v3i1.2441.