Planning Research and Action Institute. (1969). An evaluation of ravine reclamation programmes in Uttar Pradesh, 1952-1968. Planning Research and Action Institute.
Lua i Stíl Chicago (17ú heag.)Planning Research and Action Institute. An Evaluation of Ravine Reclamation Programmes in Uttar Pradesh, 1952-1968. Uttar Pradesh: Planning Research and Action Institute, 1969.
Lua MLA (9ú heag.)Planning Research and Action Institute. An Evaluation of Ravine Reclamation Programmes in Uttar Pradesh, 1952-1968. Planning Research and Action Institute, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.