Sabri, T. W., Listiqowati, I. and Putra, E. (2024) “THE EFFECT OF ZONING SYSTEM ON STUDENTS’ LEARNING ACHIEVEMENT IN GRADE VII AT SMP NEGERI 9 PALU”, Jurnal Samudra Geografi, 7(1), pp. 67 - 74. doi: 10.33059/jsg.v7i1.12069.