Nthatisi Khatleli และ -. (2017) THE IMPACT OF OBSOLESCENCE IN HEALTH PUBLIC PRIVATE PARTNERSHIP PROJECTS. ISEC PRESS:ม.ป.ท.Nthatisi Khatleli และ -. 2017. THE IMPACT OF OBSOLESCENCE IN HEALTH PUBLIC PRIVATE PARTNERSHIP PROJECTS. ม.ป.ท.:ISEC PRESS;Nthatisi Khatleli และ -. THE IMPACT OF OBSOLESCENCE IN HEALTH PUBLIC PRIVATE PARTNERSHIP PROJECTS. ม.ป.ท.:ISEC PRESS, 2017. Print.