BAREKENG : Journal of Mathematics and Its Applications, published by Pattimura University, had signed the collaboration with the Indonesian Mathematical Society (IndoMS). This association is a forum for mathematicians, educators, users, and enthusiasts of mathematics, with the name The Indonesian Mathematical Society abbreviated as IndoMS. IndoMS as one of the professional organizations for Indonesian mathematicians was established on July 15^th, 1976 in Bandung. IndoMS now has been published in several reputable national and international journals such as JIMS, JME, JIAMS, and JStat. In addition, IndoMS also collaborates with all the Mathematics Study Programs, Mathematics Education Study Programs, Statistics Study Programs, and Computer Science Study Programs in various regions in Indonesia to encourage the development of scientific journals that publish by each Study Program in Indonesia and to accommodate scientific publications for all mathematicians. (Link of IndoMS website)