@book{286660,
	title = {ਪੀ.ਸੀ.ਐਸ. Punjab civil services ਜਨਰਲ ਸਟੱਡੀਜ਼ ਪੇਪਰ-1},
	publisher = {Jaypee publications},
	year = {2021},
	address = {Jalandhar}
}