Molaie, Ali Asghar , Shirazi, Babak, Soltanzadeh, Javad . “Integration of Customers in Front-End of Innovation (FEI) by Open Innovation Approach: Generation and Selection of Innovative Product Ideas.”  Roshd -e- Fanavari, vol. 12, no. 47, 2016, pp. 1-10. 10.7508/jstpi.2016.03.005