TY - JOUR AU - Yari, Jahangir AU - mirzaei, Javad TI - The comparison of the effectiveness of agency and servant leadership styles in high-schools from the teacher’s point of view in 1386-1387 JO - Journal of Instruction and Evaluation VL - 1 IS - 3 SP - 175 EP - 200 PY - 2008 DO - ER -