[1]
S. Saad, M. Y. Abdullah, A. Salman, and N. Lyndon, “Ciri dan Pengaruh Pemimpin Pendapat Dalam Kalangan Pekebun Kecil Kelapa Sawit: The Characteristics and Influence of Opinion Leaders on the Palm Oil Smallholders”, GEOG, vol. 6, no. 3, pp. 44–53, Nov. 2018.