Sekarsari Utami Wijaya, and Ngatini. 2020. “engembangan emodelan arga eras i ilayah ndonesia agian arat engan endekatan lustering ime eries”. imits: ournal of athematics and ts pplications 17 (1):51-66. https://journal.its.ac.id/index.php/limits/article/view/5431.