https://torontodawah.com/class-notes-explanation-of-the-book-forty-hadeeth-of-imaam-nawawi-abu-fajr-abdulfattaah-bin-uthman/
[CLASS NOTES] Explanation Of The Book “Forty Hadeeth” Of Imaam Nawawi – Abu Fajr AbdulFattaah Bin Uthman