Jayakumar P and Dinil Sony C(2014) Estimation of a safe level of mining of river sand – A case study in Maniyurgramapanchayat. Proc.National Conference on Harmony with Nature in context of Environmental Issues and challenges of the 21st century” Harmony 2014, Udaipur Rajasthan, 28 – 30 Nov. 2014
Jayakumar P and Dinil Sony C(2014) Estimation of a safe level of mining of river sand – A case study in Maniyurgramapanchayat. Proc.National Conference on Harmony with Nature in context of Environmental Issues and challenges of the 21st century” Harmony 2014, Udaipur Rajasthan, 28 – 30 Nov. 2014