Manoppo, C. A., and E. Abdurachman. “ANALISIS ATRIBUT PEMASARAN PADA BEBERAPA RESTORAN CEPAT SAJI DI JAKARTA”. Journal of Business Strategy and Execution, vol. 2, no. 1, Nov. 2009, pp. 63 -84, https://journal.binus.ac.id/index.php/JBSE/article/view/195.