Analisis Proses Pengajuan Pertanyaan Siswa Dalam Menyelesaikan Problems With No Specified Universal Set Given. j.ilm.soulmath [Internet]. 2020 Dec. 21 [cited 2026 Jun. 16];8(2):165-81. Available from: https://ejournal.unitomo.ac.id/index.php/mipa/article/view/3128