Keralastate landuse Board
Vibhava bhoopada Report:Ollukkara Block(Thrissur) - thiruvananthapuram keralastate Landuse board 2007 - 144,viii
Resource map
333.7 / GOV/VI
Vibhava bhoopada Report:Ollukkara Block(Thrissur) - thiruvananthapuram keralastate Landuse board 2007 - 144,viii
Resource map
333.7 / GOV/VI