National Planning Association. Center for Development Planning. Development planning project semi-annual interim administrative progress report. s.n.].
Chicago-viite (17. p.)National Planning Association. Center for Development Planning. Development Planning Project Semi-annual Interim Administrative Progress Report. [Washington, D.C: s.n.].
MLA-viite (9. p.)National Planning Association. Center for Development Planning. Development Planning Project Semi-annual Interim Administrative Progress Report. s.n.].
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