Gumulya, Devanny, Sutikno, Hendrawan, Pramono, Rudy, DAN Hariandja, Evo. " Regression Analysis Of Inter-Variable Relationships Within Business Canvas Model: Value Proposition, Key Resources, Revenue And Cost Structure With The Cobb Douglass Production Function Approach (Study Case: Basic And Chemical Industries From 2006-2017)" Jurnal Manajemen Indonesia [Online], Volume 20 Nomor 2 (30 Agustus 2020)