Mohammed Masum, et al. “Peat Resources, Paleo-Environmental Interpretation As Well As Their Utilization, Hakaluki Haor, Moulvibazar and Sylhet District, Bangladesh”. Global Journal of Science Frontier Research, vol. 15, no. H2, Mar. 2015, pp. 31-36, https://journalofscience.org/index.php/GJSFR/article/view/1566.