Lestarianingsih Y, Darmawijoyo D, Hartono Y. Pengembangan Lembar Aktivitas Mahasiswa Topik Turunan Berdasarkan Teori APOS. JPMS [Internet]. 2015 Jun. 15 [cited 2025 May 9];3(1):10-22. Available from: https://journal.uny.ac.id/index.php/jpms/article/view/7231