Zhang, Zhiying, and Huchang Liao. “A Two-Stage Mathematical Programming Model for Distributed Photovoltaic Project Portfolio Selection With Incomplete Preference Information”. Technological and Economic Development of Economy 28, no. 5 (October 10, 2022): 1545–1571. Accessed November 24, 2024. https://transport.vgtu.lt/index.php/TEDE/article/view/17683.