@book{28987,
	author = {Hassand Khan Afridi & Muhammad Aqib Suhail},
	title = {CNC Based Pen Plotter Plus Etching Module},
	publisher = {UIT,},
	year = {2016},
	address = {Karachi:},
	url = {https://drive.google.com/file/d/1X-NPfDdsV-Nvs0Qr3exRaTL6ETK0l-i7/view?usp=sharing}
}