TY - JOUR AU - MoosaviNasab, Seyed Mohammad Bagher AU - Ranjbar, Mokhtar AU - Khalili, Abdoljavad TI - Designing a human resources development policy model with an approach to improving organizational effectiveness in Jam Petrochemical Company JO - Journal of Training and Improvement of Human Resources VL - 6 IS - 20 SP - EP - PY - 2025 DO - ER -