Abd Rahman, Umar Dongoran, and Mohd Zarir Yusoff. “Hubungan Antara Kualiti Perkhidmatan Dan Kepuasan Pengguna Terhadap Perkhidmatan Pengangkutan Awam Di KLIA2”. Research in Management of Technology and Business, vol. 4, no. 1, May 2023, pp. 33-47, https://penerbit.uthm.edu.my/periodicals/index.php/rmtb/article/view/11299.