List of Articles Benefits Open Access Article Abstract Page Full-Text 1 - Calculating the Training Return on Investment (ROI) In Pars Oil & Gas Company (P.O.G.C) Frouz Nouri Saeid Safaee Movahed Hamideh Bafandeh 10.52547/istd.7.24.0 Open Access Article Abstract Page Full-Text 2 - Qualitative Study on Self-Care Among Youth in Tehran Mitra Sarabian Parvin Savadian alireza kaldi Open Access Article Abstract Page Full-Text 3 - Investigating the Impact of Green Benefits and Transparency on Perceived Green Value and Brand Loyalty (Case Study: LG brand consumers) ٍEesa Niazi ramin bagheri Sima Yeganehmand