Waste management practices municipal, hazardous, and industrial por Pichtel, John 1957-

Available for University of the Philippines Diliman College of Engineering via CRCnetBASE. Click here to access
Also available remotely for University of the Philippines Diliman College of Engineering via CRCnetBASE. Click here to access thru EZproxy

Microbes and microbial technology agricultural and environmental applications

Available for UP System via Springer Link.

Waste management practices municipal, hazardous, and industrial por Pichtel, John 1957-