@book{57555,
	author = {Krishnakumar},
	title = {Ecological and socio economic desirability of rubber plantation in north east with a reference to Tripura},
	publisher = {Proceedings, Seminar on industrial opportunities in Tripura based on natural gas and rubber, Calcutta, 2nd August, 1992. pp. 29-32},
	year = {1992}
}