Perangin-angin, Alim, Dewi Lestari Pardede, Lukman Pardede, & Atustinus Giawa. " PENGARUH MODEL PBL BERBASIS BLENDED LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA KELAS XI SEMESTER GANJIL SMA SWASTA METHODIST-2 MEDAN T.A 2021/2022.." Jurnal Darma Agung [Online], 30.1 (2022): 160–163. Web. 21 Nov. 2024