Heru Wicaksono, M. Marsalino, and Indah Nurul Hudaini. “The Effect of Product Diversification on Consumer Satisfaction of Bapak N’dut Pandeglang Roasted Coffee”. Jurnal Multidisiplin Sahombu, vol. 6, no. 01, Jan. 2026, pp. 8-16, https://ejournal.seaninstitute.or.id/index.php/JMS/article/view/7592.