SAAD, S.; ABDULLAH, M. Y.; SALMAN, A.; LYNDON, N. Ciri dan Pengaruh Pemimpin Pendapat Dalam Kalangan Pekebun Kecil Kelapa Sawit: The Characteristics and Influence of Opinion Leaders on the Palm Oil Smallholders. GEOGRAFI, [S. l.], v. 6, n. 3, p. 44–53, 2018. Disponível em: https://ojs.upsi.edu.my/index.php/GEOG/article/view/2100. Acesso em: 4 may. 2024.