Fatemeh Aghelazad, Mohammad Rahim Najafzadeh , Hamid Janani, Jafar Barghi Moghaddam 2021. INVESTIGATING THE EFFECT OF ORGANIZATIONAL CITIZENSHIP BEHAVIOR AND ORGANIZATIONAL PRODUCTIVITY ON KNOWLEDGE MANAGEMENT OF EMPLOYEES OF SPORTS AND YOUTH DEPARTMENTS OF EAST AZERBAIJAN PROVINCE. Turkish Journal of Computer and Mathematics Education (TURCOMAT). 12, 1 (Dec. 2021), 645–659. DOI:https://doi.org/10.17762/turcomat.v12i1.11768.