TY - JOUR AU - Yar Mohammadian, A. AU - Ghaderi, Z. AU - Chavoshi Far, N. TI - The effectiveness of parental skills training on preschool’s children behavior problems fro 4 -6 yers old JO - Psychological Models and Methods VL - 2 IS - 1 SP - 17 EP - 32 PY - 2012 DO - ER -