M. Yusoff, I., W. Hussin, W.R., Hassan, F., Badarulzaman, N., Z. Omar, M. and Rindam, M. 2012. Meningkatkan Kualiti Hidup Sosial:Satu Kajian Kes di Kawasan Gugusan FELDA Trolak,Perak Darul Ridzuan, Malaysia: Improving the Quality of Social Life: A Case Study in FELDA Trolak Group, Perak Darul Ridzuan, Malaysia. Perspektif Jurnal Sains Sosial dan Kemanusiaan. 4, 2 (Nov. 2012), 98–107.