Jusrin Efendi Pohan, Mina Syanti Lubis, Yunisa Oktavia, Noni Febriana. Formative Assessment In Problem Solving Oriented Language Learning In High School. kuey [Internet]. 2023 Nov. 25 [cited 2024 Jul. 3];29(4):512-7. Available from: https://kuey.net/index.php/kuey/article/view/3457