Gumulya, Devanny, et al. “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, vol. 20, no. 2, Aug. 2020, pp. 95-114, doi:10.25124/jmi.v20i2.3197.