Merjani, A., 		Ningrum, R., & 		Sumarya, E.
2022 Dec 29.  ANALYSIS OF THE BLUE OCEAN STRATEGY ENGINEERING APPROACH TO INCREASE SALES IN BUSINESS COMPETITION (CASE TUDI ATAMATI COFFEE BATAM). PROFISIENSI: Jurnal Program Studi Teknik Industri. [Online] 10:2