Sohpetbneng, ka diengiei bad krem lamet-latang ha u SosoTham bad Kiwei pat ki nongthoh - Diengdoh, Newrisa (Shillong NEHU, 1984)
NEHU Depart,ent of Jhasi : M A. dissertation 1984:Suopervisor : R. S. Lyngdoh