Kayfa nuwaḥḥidu al-taqwīm al-Hijrī fī al-ʻālam al-Islāmī
By: bi-qalam Ḥusayn Fatḥī
Edition: al-Ṭabʻah 1.
Publisher: Maṭbaʻat Muḥammad ʻAlī Ṣabīḥ
Published: 1970
Place of publication: al-Qāhirah]
Language: ara
Number of pages: 46
Subjects: Islamic calendar