Rules for the letter ‎م‎ (meem) with sookoon
Tanween and his involvement in the rules of the letter nun with sukoon
Four rules of the letter nun with sukoon and tanween
Izhar and its letters
The designation of "Izhar" in the Quran
Правила буквы ‎ن‎ (нун) с сукуном: Идгам
Izhar and its letters