Azad, A.K.M. Abul Kalam, Md. Najmus Sayadat Pitol, and Yonosuke Hara. “Profitability Assessment With the Application of BRASS Model of Small-Scale Rubber Plantation at Chittagong Hill Tract, Bangladesh”. International Journal of Environment, Agriculture and Biotechnology 6, no. 3 (June 9, 2021). Accessed July 3, 2024. https://journal-repository.com/index.php/ijeab/article/view/3683.