List of articles (by subject) 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 - Examining teachers' Perceptions of Virtual in-Service Training Peyman Yarmohamadzadeh Behbood Yarigholi Marjan doostI Alvanegh 10.52547/istd.30814.8.30.134 20.1001.1.24233277.1400.8.30.1.3 Open Access Article Abstract Page Full-Text 3 - examination The Impact of Knowledge Productivity on Employee Empowerment in Insurance Company Marziyeh Dehghani Nayeri Yousef Mohammadi moghaddam nader sheikholeslami 20.1001.1.24233277.1399.7.27.3.2 Open Access Article Abstract Page Full-Text 4 - Rate of TOL: a new look into measuring the quality of work-based training programs Saeed Safaei Movahed keyvan salehi Mohammad Hajizad 20.1001.1.24233277.1399.7.27.4.3 Open Access Article Abstract Page Full-Text 5 - Designing a professional development model for managers with a data-based approach: Qualitative research in education younes sahranavard nashtifan Salahedin ebrahimi Bahman Gholami سیامند مولودی Open Access Article Abstract Page Full-Text 6 - The Effects of Personality Dark Triad on Knowledge Concealment with the Mediating Role of Organizational Learning Culture (A Case Study of Tehran University Professors) seyed hamed hashemi mehdi ahmadighamshani Hamidreza Nematollahi shabnam zarjou 20.1001.1.24233277.1402.10.36.6.4 Open Access Article Abstract Page Full-Text 7 - An Investigation of Effectiveness of Online Development Courses for Faculty Members based on Principles of Education Science Bahar Bandali Razieh Shahverdi Somaye Rahimi Morteza Rezaeizadeh Abasalt Khorasani 20.1001.1.24233277.1402.10.37.8.8 Open Access Article Abstract Page Full-Text 8 - The Effects of Training and Human Resource Development on Employees’ Productivity with a Focus on Motivational and Psychological Empowerment Mahdi Jabbari Maysam Chegin Open Access Article Abstract Page Full-Text 9 - An Investigation and Pathology of Organizational Training for Engineers in Water and Electricity Industry Based on ADDIE zainab sharaf Mohammad reza Nili Ahmadabadi Mohammad Javad Liaghatdar