Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
The present book updates the subject content on Water Resources on Earth; Water Crisis Management; Watershed Development; Ground water Movement, and Modeling; Effluent for Crop Farming; Arsenic Removal by Saw Dust; Effect of Wastewater on Trees.