@article{ author = {koozehgaran, saeed, Beheshtifar, Malikeh, Ziaaddini, Mohammad}, title = {Design a succession planning modelin the Hajj and Pilgrimage Organization with the human resource development approach }, journal = { Quarterly Journal of Training and Development of Human Resources}, year = {2022}, volume = {9}, number = {32}, pages = {341-355}, doi = {} }