Güler, Ahmed Serdar, and Serdar Üçok. “Biogas Production Efficiency of Park Grass Waste Using HBT Method”. International Journal of Agricultural and Biological Engineering, vol. 18, no. 1, Mar. 2025, pp. 299-03, https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/9070.