K. Borkakati and Bipul Deka, Marami Dutta, R.M. Karmakar. 2018. “Characterization and Classification of Soils of Tipukjan Watershed of the Upper Brahmaputra Valley of Assam”. Journal of the Indian Society of Soil Science 65 (4). https://epubs.icar.org.in/index.php/JISSS/article/view/76910.