/44218/1.hassmallThumbnailVersion/Challenges%20and%20lessons%20learnt%20from%20the%20ENJOY%20project%20recommendations%20for%20future%20collaborative%20research%20implementation%20framew.pdf;/44218/1/Challenges%20and%20lessons%20learnt%20from%20the%20ENJOY%20project%20recommendations%20for%20future%20collaborative%20research%20implementation%20framew.pdf