Berghout, A., and Z. Berghout. “Social Relations Network in Building Civilization An Analysis of Its Significance (Rangkaian Perhubungan Sosial Untuk Membina Ketamadnan Satu Analisis Kepentingannya)”. Journal of Islam in Asia (E-ISSN 2289-8077), vol. 13, no. 2, Feb. 2017, pp. 152-68, doi:10.31436/jia.v13i2.554.