Rahayu, S., M. Iqbal, N. R. Ferdian, and F. Fathurahman. “Canggah Coffee As the Processed Products of Micro Enterprises: System Design of E-Commerce”. International Journal of Social Science and Business, vol. 5, no. 1, Mar. 2021, pp. 127-32, doi:10.23887/ijssb.v5i1.30755.