@article{ author = {Nouri, Frouz, Safaee Movahed, Saeid, Bafandeh, Hamideh}, title = {Calculating the Training Return on Investment (ROI) In Pars Oil & Gas Company (P.O.G.C)}, journal = { Quarterly Journal of Training and Development of Human Resources}, year = {2020}, volume = {7}, number = {24}, pages = {107-127}, doi = {10.52547/istd.7.24.0} }