SINGH, K.; SINGH, H. COST ANALYSIS OF HYBRID MODEL OF SOLAR-WIND-BIOGAS PLANT. INTERNATIONAL JOURNAL OF RESEARCH IN EDUCATION METHODOLOGY, [S. l.], v. 7, n. 4, p. 1248–1256, 2015. DOI: 10.24297/ijrem.v7i4.4362. Disponível em: https://www.rajpub.com/index.php/ijrem/article/view/4362. Acesso em: 9 oct. 2025.