Fatmawati Hidayat, Marjono, and Noor Hidayat. 2019. “Ring Q-Fuzzy Smarandache Dan Ideal Q-Fuzzy Smarandache Beserta Sifat-Sifatnya”. Limits: Journal of Mathematics and Its Applications 16 (1):51-61. https://journal.its.ac.id/index.php/limits/article/view/5413.