Sugianto, R., Sudirman, and Afifah. “INFORMATION SYSTEMS TO CALCULATION OF COST OF GOOD SOLD PACKAGE SALES USING THE RELATIVE SALES VALUE METHOD IN COUNTER IQYU CELL”. JTRISTE, Vol. 5, no. 2, Oct. 2018, pp. 37-44, https://jurnal.kharisma.ac.id/jtriste/article/view/56.