TY - JOUR AU - Moumeni Helali, Hadi AU - Ahmadpour, Amir TI - The Effective Factors on the Adoption of Biological Control in Farmers' Field School by Rice Producers: The Case of Babol Township JO - International Journal Of Agricultural Science, Research And Technology In Extension And Education Systems VL - 1 IS - 4 SP - 201 EP - 206 PY - 2011 DO - ER -