Sunarsini., and Sadjidon. “AJIAN EOREMA ITIK ETAP EMETAAN ONTRAKTIF ADA UANG ETRIK ONE ENGKAP ENGAN RAK-”. imits: ournal of athematics and ts pplications, vol. 8, no. 2, Aug. 2025, p. 43, https://journal.its.ac.id/index.php/limits/article/view/5274.