Sivanappan, R K.
Irrigation and Drainage / Textual Documents R K Sivanappan and K R Karai Gowder. - 1st ed / . - Madras : Popular book depot , 1977. - xix,618p ; .
Irrigation and water conservation Irrigation and drainage
631.7 / SIV
Irrigation and Drainage / Textual Documents R K Sivanappan and K R Karai Gowder. - 1st ed / . - Madras : Popular book depot , 1977. - xix,618p ; .
Irrigation and water conservation Irrigation and drainage
631.7 / SIV