Uddin, M. J., A. Mohiuddin, S. U. Ahmed, M. K. Rahman, M. A. Karim, and A. K. Saha. “Suitability Assessment of Soils of Panchagarh and Thakurgaon for Tea (Camellia Sinensis L.) and Orange (Citrus Aurantium L.) Cultivation”. Bangladesh Journal of Botany, vol. 49, no. 3, Sept. 2020, pp. 467-72, doi:10.3329/bjb.v49i3.49526.