@book{265176,
	author = {Sharma, H.S. (शर्मा, एच.एस.)},
	title = {Class Teaching and Contents of Mathematics (गणित विषय वस्तु का कक्षा शिक्षण)},
	publisher = {Radha Prakashan Mandir},
	year = {2014},
	address = {Agra}
}