Application of Online Food Sales Based on Android (A Case Study of UMKM Pink Donuts): Aplikasi Penjualan Makanan Online Berbasis Android (Studi Kasus Di UMKM Pink Donuts). PELS [Internet]. 2022 June 30 [cited 2026 Nov. 8];2(2). Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/1246