Rocheska, Slavica, Olivera Kostoska, Marjan Angeleski, and Gjorgji Mancheski. 2014. “USER-DRIVEN INNOVATION: TOWARDS A NEW INNOVATION PARADIGM”. Economic Review: Journal of Economics and Business 12 (1). Bosnia and Herzegovina:31-41. https://er.ef.untz.ba/index.php/er/article/view/147.