Yerizon, Sukestiyarno, Arnellis, Suherman and Hevardani, K.A. 2024. Analysis of students’ mental construction in understanding the concept of partial derivatives based on action-process-object-schema theory. Nurture. 18, 4 (Aug. 2024), 735–749. DOI:https://doi.org/10.55951/nurture.v18i4.798.