@misc{oai:naruto.repo.nii.ac.jp:00029543, author = {MEJIA, RAMOS Francisco Antonio}, month = {2022-08-08}, title = {Improving students’ mathematics academic ability by implementing structured problem solving and formative assessment activities in El Salvador ―through the implementation of face-to-face and video-based lessons-}, year = {}, yomi = {メジア, ラモス フランシスコ アントニオ} }