Effendi, Z. and Andromeda, A. (2022) “Development of a Two- Tier Higher Order Thinking Skill (HOTS) Test Instrument Based on IBT on Chemical Equilibrium Material for SMA/MA Students”, Entalpi Pendidikan Kimia, 3(2), pp. 31-39. doi: 10.24036/epk.v3i2.264.