(1)
Dr. Zia Ur Rehman; Dr. Naseem Akhter; Dr. Muhammad Shabeer; Dr. Sadiq Ali; Dr. Atiq Ullah; Dr. Qaisar Bilal. The Services of Hadrat Abu Bakr (RA) As a Companion of Muhammad (PBUH) for Islam (A Short Analysis from the Mirror of History). OEconomia 2022, 5, 34-41.