Muda Sakti Raja Sihite, & Lena Rosdiana Pangaribuan. (2023). Implementation of Problem Based Learning By Using Authentic Assessment to Improve Students’ Activity and The Ability of The Students to Solve Problem. JURNAL PENDIDIKAN MIPA, 13(2), 344-349. https://doi.org/10.37630/jpm.v13i2.895