Putri, Reyna Miftahud Daroeni, and Bertha Yonata. “Feasibility of Discovery Learning Based Student Worksheets on Acid-Base Materials to Practice Critical Thinking Skills”. Hydrogen: Jurnal Kependidikan Kimia, vol. 12, no. 5, Oct. 2024, pp. 1134-45, doi:10.33394/hjkk.v12i5.13134.