Aripin Nurmantoro M. PENGARUH PENGGUNAAN METODE PERSONALIZED SYSTEM OF INSTRUCTION (PSI) TERHADAP HASIL BELAJAR MATEMATIKA SISWA. Mathline [Internet]. 2017 Feb. 1 [cited 2025 Mar. 10];2(1):1-10. Available from: https://mathline.unwir.ac.id/index.php/Mathline/article/view/31