Firdaus Adrutdin, Khairul, et al. “The Relationship Between Knowledge for Customer and Service Quality on Customer Satisfaction: A Study on UniKL MITEC Student Services”. International Journal of Engineering & Technology, vol. 7, no. 2.29, May 2018, pp. 69-72, https://doi.org/10.14419/ijet.v7i2.29.13132.