Proceedings of 3rd Indian Environment Congress, 16 to 18 December 2004, Thiruvananthapuram

od Babu Ambat; Editor
Wydane 2004

Water resources of Kerala: proceedings of Kerala Environment Congress 2009

od Babu Ambat; Editor, Karunakaran, P V; Editor, Sabu, T; Editor, Syamala, P N; Editor, Vinod, T R; Editor
Wydane 2009