@book{1205,
	author = {Kohli, D. D. and Kohli, R. C. Ar.},
	title = {A Textbook of Estimating and Costing (civil) :},
	publisher = {S. Chand,},
	year = {2017.},
	address = {NewDelhi :},
	url = {https://books.google.com.pk/books?id=3QgrDAAAQBAJ&pg=PR1&dq=A+textbook+of+estimating+and+costing+(civil):+quantity+surveying+%5Bincluding+accounts+and+building+bye-laws%5D&hl=en&sa=X&ved=2ahUKEwi5pPCm_LX2AhUFCewKHchrBR0Q6AF6BAgDEAI#v=onepage&q=A%20textbook%20of%20estimating%20and%20costing%20(civil)%3A%20quantity%20surveying%20%5Bincluding%20accounts%20and%20building%20bye-laws%5D&f=false}
}