TY - JOUR AU - forughinia, khorshid AU - Jowkar, ali akbar AU - Mahmoudi Maymand, Mohammad AU - hosseini, mirza hassan TI - Factors Affecting Customer Participation in the New Product Development Process: Case study of food industry of Mazandaran province JO - Modiriat-e- farda VL - 18 IS - 60 SP - 221 EP - 232 PY - 2019 DO - ER -