Dabral, Parmendra Prasad, Kuntal Purkayastha, and Mai Aram. 2014. “Dry and Wet Spell Probability by Markov Chain Model- a Case Study of North Lakhimpur (Assam), India”. International Journal of Agricultural and Biological Engineering 7 (6). Beijing, China:8-13. https://ijabe.org/index.php/ijabe/article/view/1155.