https://www.eislamicbook.com/hujjiyat-e-hadith-o-sunnat-by-maulana-dr-abdus-sattar-marwat-%d8%ad%d8%ac%db%8c%d8%aa-%d8%ad%d8%af%db%8c%d8%ab-%d9%88-%d8%b3%d9%86%d8%aa/