@book{200930,
	author = {Koch, Richard, and Muhammad Ezam Affan Mohd Asri,},
	title = {THE 80/20 PRINCIPLE /},
	publisher = {PTS PUBLISHING HOUSE SENDIRIAN BERHAD,},
	year = {2025},
	address = {Batu Caves, Selangor : },
	edition = {EDISI BAHASA MELAYU}
}