Malau, S., ., S. and ., Y. 2022. Analysis of Obstacles in Learning Integers Operation : Case Study in VII Grade of SMP Katolik St Paulus Palangka Raya. Jurnal Pendidikan. 22, 2 (Jan. 2022), 116–129. DOI:https://doi.org/10.52850/jpn.v22i2.3994.