oleh MALLANG, VICTOR; Faculty of Mathematics and Natural Sciences, Udayana University , JAYANEGARA, KETUT; Faculty of Mathematics and Natural Sciences, Udayana University , ASIH, NI MADE; Faculty of Mathematics and Natural Sciences, Udayana University , N. KENCANA, I PUTU EKA; Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

oleh DEVITA, HANY; Faculty of Mathematics and Natural Sciences, Udayana University , SUKARSA, I KOMANG GDE; Faculty of Mathematics and Natural Sciences, Udayana University , N. KENCANA, I PUTU EKA; Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University