@book{52078,
	author = {أبن سعد},
	title = {الطبقات الكبري.},
	publisher = {دار صادر، },
	year = {1968},
	address = {بيروت : },
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B01-04788.pdf}
}