Zero waste management practices of public elementary and secondary schools in Lagangilang district / Mary Joy Gandeza-Barbosa.

By: Barbosa, Mary Joy GandezaMaterial type: TextTextPublisher: Sta. Maria, Ilocos Sur : [s.n.], 2014Description: xiii, 72 pages : 28 centimeter. illustrationSubject(s): Environmental protectionDDC classification: TH 344 B23z 2014
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