Tambayong, Chrisanty Y, Jullia Titaley, and Rinancy Tumilaar. “EKSISTENSI RUANG VEKTOR ATAS LAPANGAN TERHADAP MODUL BEBAS”. Jurnal Ilmiah Sains 19, no. 1 (January 30, 2019): 37–40. Accessed May 7, 2024. https://ejournal.unsrat.ac.id/v3/index.php/JIS/article/view/22536.