Damayanti, D., S. R. Laksana, S. P. H. Sandi, and D. E. Hidayaty. “PENERAPAN STANDAR OPERASIONAL PROSEDUR PADA BISNIS COFFEE SHOP GARIS TANGAN”. Jurnal Pijar, vol. 1, no. 3, June 2023, pp. 686-91, doi:10.65096/pmb.v1i3.418.