India. Central Water Commission. (1980). Refresher course for inservice engineers on hydrology for senior engineers January 19, 1981-February 5, 1981. Central Water Commission, Government of India.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)India. Central Water Commission. Refresher Course for Inservice Engineers on Hydrology for Senior Engineers January 19, 1981-February 5, 1981. New Delhi: Central Water Commission, Government of India, 1980.
MLA -ийн эшлэл (9 дэх хэвлэлт)India. Central Water Commission. Refresher Course for Inservice Engineers on Hydrology for Senior Engineers January 19, 1981-February 5, 1981. Central Water Commission, Government of India, 1980.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.