Mas’ala 332مختصر المزنيShafi'ivol. 1, p. 115vol. 1, p. 115 وَإِنْ صَلَّتْ أَمَةٌ رَكْعَةً مَكْشُوفَةَ الرَّأْسِ، Read the whole chapterCopy with source On the map: PrayerCompare