“Development of Point of Sale System Using FIFO Method at Toko Inti Peraga Mandiri Pekanbaru” (2026) AMIR: Alaztha Journal of Modern Informatics Research, 1(1), pp. 45–52. Available at: https://alazthamediapublikasi.com/amir/article/view/13 (Accessed: 18 October 2026).