Co-production:partnering with your customers

its a critical view and thinking of co-production: PARTNERING WITH YOUR CUSTOMERS.i need to write critical view of the article that i named it above in 4 pages . also i have to see if some of these companies are believing and working by these to new system i will attach 2 articles show the meaning of DPV and SDL.i dont want a complicated writing method. i wan it simple and at the same time can reflect an international student work .i dont need a reference page unless using extra resource.