Wang, Fu-Xin, Ben Zhang, Hong-Hua Qiu, and Wei Yang. “Patent Value Analysis Based on the EPTV Model Investigation of Building Energy-Saving Industry”. Journal of Strategic Innovation and Sustainability 15, no. 2 (August 4, 2020). Accessed December 22, 2024. https://articlegateway.com/index.php/JSIS/article/view/2890.