Perancangan Prototype Aplikasi Transaksi  Pembelian Gas LPG 3kg Menggunakan MIT App Inventor dengan Metode Design Thinking (Studi Kasus Pangkalan Lpg 3kg Bapak Romuska Avito). IPSSJ [Internet]. 2026 Sep. 11 [cited 2026 Oct. 21];3(09 September):211-2. Available from: https://ipssj.com/index.php/ojs/article/view/1982