L. M. Varca

Assessment of the Environmental Impact of Pesticides in Paddy Rice Production

J. R. Medina, A. W. Tejada, C. Bajet, 1995 .

Fate and residues of pesticides in rice production

A. W. Tejada, C. Bajet, P. Ocampo, 1993 .

Pesticide usage by farmers in Pagsanjan-Lumban catchment of Laguna de Bay, Philippines

L. Fabro, L. M. Varca, 2012 .

Pesticide residues in surface waters of Pagsanjan-Lumban catchment of Laguna de Bay, Philippines

L. M. Varca, 2012 .

Dissipation and degradation of DDT and DDE in Philippine soil under field conditions

E. D. Magallona, L. M. Varca, 1994 .