දියවර වගතුග 2
Basnayake , C.R.M.K.
දියවර වගතුග 2 - Anuradhapura Author 2012 - vii,224 p. 21 cm.
978955507201
NATURAL RESOURCES - WATER - SRI LANKA
IRRIGATION - HISTORY - SRI LANKA
WATER TANK - HISTORY - SRI LANKA
ECONOMICS
333.913 / BAS
දියවර වගතුග 2 - Anuradhapura Author 2012 - vii,224 p. 21 cm.
978955507201
NATURAL RESOURCES - WATER - SRI LANKA
IRRIGATION - HISTORY - SRI LANKA
WATER TANK - HISTORY - SRI LANKA
ECONOMICS
333.913 / BAS