Wantah, A. and Prastyo, H. 2022. ANALYSIS OF JUNIOR HIGH SCHOOL STUDENTS’ LEARNING OBSTACLES IN UNDERSTANDING THE CONCEPT ABOUT LINES AND ANGLES. Jurnal Padegogik. 5, 1 (Jan. 2022), 54-73. DOI:https://doi.org/10.35974/jpd.v5i1.2722.