@book{58393,
	author = {National Institute of Educational Administration, Extension and Research},
	title = {প্রশিক্ষণ ম্যানুয়েল (Prosikkhon manual- Training Manual)/},
	publisher = {NIEAER,},
	year = {1987.},
	series = {TM, NIEAR},
	address = {Dhaka :}
}