PUTONG, I. Faktor Permintaan Non Fungsional Group Member terhadap Permintaan (Seri 1). Binus Business Review, [S. l.], v. 1, n. 2, p. 351-362, 2010. DOI: 10.21512/bbr.v1i2.1081. Disponível em: https://journal.binus.ac.id/index.php/BBR/article/view/1081. Acesso em: 23 feb. 2025.