We invite scientists, academia, and researchers to submit their research articles to be published in Jurnal Ilmu Fisika (JIF).  Manuscripts submitted by high impact authors (first/corresponding author with minimum Scopus/WoS h-index: 10) and at least one authors from different country are eligible for the 50% discount on the APC. If first/corresponding author has minimum h-index: 15 and at least one author from different countriy, APC is free of charge.