Eshkiki , M. M. S. M. ., H. B. Ismail, and Y. Y. . Yen. “Effect of Implementation of Industry 4.0 on Customer Satisfaction and Loyalty in Malaysia”. Journal of Ecohumanism, vol. 4, no. 1, Feb. 2025, pp. 5380 -, doi:10.62754/joe.v4i1.6473.