Ismartaya, I., L. Hikmat Maulana, W. Simanjuntak, and T. Kartini. “The Impact Of Product Quality And Service Quality On Consumer Satisfaction At Kedai Falsafah Ngopi Bogor, Indonesia”. International Journal of Science, Technology & Management, Vol. 4, no. 4, July 2023, pp. 834-41, doi:10.46729/ijstm.v4i4.899.