Anwar Razali, Khairil, and Azizah Shaaban. “A Descriptive Perception Vs. Achievement Analysis of Continuance Improvement in Malaysian ISO 9001-Certified Smes”. International Journal of Engineering and Technology 7, no. 2.29 (May 22, 2018): 553–556. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/13816.