Graphene Quantum Dots/Eggshell Membrane Composite as a Nano-sorbent for Preconcentration and Determination of Organophosphorus Pesticides by High-Performance Liquid Chromatography Vahideh Abdollahi; Habib Razmi Volume 2, Issue 4, Autumn 2017, Page 302-310 10.22090/jwent.2017.04.007 View Article PDF 884.85 K