1.
Kartamiharja MR, Sopandi W. Educative Curriculum Material and Its Impact on the Teachers’ Instructional Performance and Learners’ Achievement. IJLTER [Internet]. 2020 Jan. 31 [cited 2026 Jun. 17];19(1):206-30. Available from: http://www.ijlter.net/index.php/ijlter/article/view/503