https://www.zonet.in/land-resources-soil-and-water-conservation-in-guwahati-a-rubber-chin-dan-zir-tura-a-tirh-kuthnathawktu-mi-20-te-chu-vawiin-khan-he-department-secretary-pu-sangdinglianan-a-vailiam/
Land Resources, Soil and Water Conservation-in Guwahati-a Rubber chin dan zir tura a tirh kuthnathawktu mi 20-te chu vawiin khan he Department Secretary, Pu Sangdingliana'n a vailiam.