Planning Research and Action Institute. (1969). An evaluation of ravine reclamation programmes in Uttar Pradesh, 1952-1968. Planning Research and Action Institute.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Planning Research and Action Institute. An Evaluation of Ravine Reclamation Programmes in Uttar Pradesh, 1952-1968. Uttar Pradesh: Planning Research and Action Institute, 1969.
MLA -ийн эшлэл (9 дэх хэвлэлт)Planning Research and Action Institute. An Evaluation of Ravine Reclamation Programmes in Uttar Pradesh, 1952-1968. Planning Research and Action Institute, 1969.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.