Nasirun @ Hirun, N., Ab Wahab, S.A., Selamat, S.M., Ibrahim, I.I. and Ya, S. 2019. THE TEACHING OF ECONOMIC ORDER QUANTITY (EOQ) USING O-PIZZA TECHNIQUE (45 - 51). Jurnal Pendidikan Bitara UPSI. 9, 2 (May 2019), 45–51.