TY - JOUR AU - marzooghi, Ramatallah AU - Firoozi, zahra AU - Jahani, Jafar AU - aflak sair, Abdual aziz TI - Developing and Validating of the Time management Skills in the First Secondary School JO - Journal of New Approaches in Educational Administration VL - 14 IS - 3 SP - 217 EP - 197 PY - 2023 DO - 10.30495/jedu.2023.28024.5612 ER -