ramdani, fauzi, and ady widjaja. 2019. “PENJUALAN ONLINE BERBASIS ¬E-COMMERCE MENGGUNAKAN BUSINESS MODEL CANVAS PADA COOLKIDS CLUB FASHION”. IDEALIS : InDonEsiA JournaL Information System 2 (5), 140-47. https://jom.fti.budiluhur.ac.id/index.php/IDEALIS/article/view/2585.