Miterianifa, Hidayah, W. ., Yasthophi, A., & Mahartika, I. (2025). The Effect of the Discovery Learning Model on Student Higher Order Thinking Skills on Buffer Solution Material. Orbital: Jurnal Pendidikan Kimia, 9(1), 65-78. https://doi.org/10.19109/ojpk.v9i1.27009