Marbun, P. M. A., Setiawan, D. and Menanti, A. (2020) “THE INFLUENCE OF DISCOVERY LEARNING MODELS AND SOLVING SKILLS PROBLEMS WITH PPKn LEARNING OUTCOMES GRADE 4 STUDENTS AT SD KATOLIK DISKI”, Jurnal Ilmiah Teunuleh , 1(2), pp. 157-165. doi: 10.51612/teunuleh.v1i2.19.