Samosir, Susi Santy (2021) PENGEMBANGAN E-MODUL BERBASIS PROBLEM BASED LEARNING (PBL) BERBANTUAN KVISOFT FLIPBOOK MAKER PADA MATERI MOMENTUM DAN IMPULS KELAS X SEMESTER II SMA SWASTA GKPI MEDAN T.P 2020/2021. Undergraduate thesis, UNIMED.