Hermaya, I., Helendra, Vauzia and Arsih, F. 2024. Item Quality Analysis of Concept Understanding and Problem Solving in Environmental Change Materials Using ANATES. Jurnal Ilmiah Pendidikan Profesi Guru. 7, 2 (Oct. 2024), 371–381. DOI:https://doi.org/10.23887/jippg.v7i2.84083.