Samosir, C.M. and Herman, T. 2023. STUDENTS’ WAYS OF UNDERSTANDING AND THINKING BASED ON HAREL’S THEORY IN SOLVING SET PROBLEMS. JOHME: Journal of Holistic Mathematics Education. 7, 2 (Dec. 2023), 169–179. DOI:https://doi.org/10.19166/johme.v7i2.7422.