Nik Yusri Musa, et al. “Interpersonal Skills: An Analysis According to the Perspective of Al-Quran and Al-Sunnah”. Journal of Social Transformation and Regional Development, vol. 2, no. 3, Jan. 2021, pp. 206-13, https://publisher.uthm.edu.my/ojs/index.php/jstard/article/view/8027.