Young Consumers’ Expectation, Perceived Performance and Disconfirmation towards SMEs Halal Food Products in Klang Valley, Malaysia Journal title: IOSR journal of Business and Management Authors: Siti Soleha Abdul Salam, Mohhidin Othman, Ungku Fatimah Ungku Zainal Abidin, Nitty Hirawaty Kamarulz... Subject(s):