Withatanang, K., S. Silapanuntakul, T. Sihabut, and W. Pandii. “Production of briquette fuel using wastewater sludge and banana peel waste”. Asia-Pacific Journal of Science and Technology, vol. 22, no. 1, Apr. 2017, pp. APST-22, doi:10.14456/apst.2017.6.