Kouider, R., Ivashko, Y. (2018). 
	Study Methodology of the Architectural Periodization of Algerian Mosques and the Ritual Role of Elements (Mihrab, Minbar, Qibla, Bath for Ablution) in the Islamic Worship Service. Środowisko Mieszkaniowe, 2018, 28-36. doi: https://doi.org/10.4467/25438700SM.18.025.8706