Suri, S., & Andromeda, A. (2022). Development of Test Instrument Two-Tier Higher Order Thingking Skills (HOTS) Based IBT on Acid-Base Titration for SMA/MA Students. Entalpi Pendidikan Kimia, 3(1), 58-65. https://doi.org/10.24036/epk.v3i1.249