Anggraeny, Annisa, Mochzen Gito Resmi, and Syariful Alam. 2022. “ Designing a Mobile Sales Application at Setra Farma Pharmacy in the Era of the Covid-19 Using the Goal-Directed Desing Method”. Jurnal Mantik 6 (3):2759-69. https://doi.org/10.35335/mantik.v6i3.2780.