@book{33265,
	author = {Syed Ghufran Ullah, Shaheryar Ahmed},
	title = {Whilfley Table},
	publisher = {UITU,},
	year = {2016},
	address = {Karachi:},
	url = {https://drive.google.com/file/d/1dBUO3mlsRM1s43DuDrAAaruF9j7p2IPy/view?usp=sharing}
}