“Kesahan Dan Kebolehpercayaan Instrumen Akhlak (Amanah) Mempengaruhi Kualiti Kerja Dari Perspektif Islam: Validity and Reliability of Akhlak Instruments (Trust) Influencing the Quality of Work from an Islamic Perspective”. Journal of Management and Muamalah , vol. 9, no. 1, June 2019, pp. 68-81, https://jmm.uis.edu.my.kuisjournal.com/index.php/jurnal/article/view/23.