TY  - BOOK
AU  - Libo-on, John Patrick 
AU  - Justine Santos, Kathryn Castor, Maxine Wenceslao, Benson Montalbo, Emman Gapasin and James Rojas
TI  - Producing a hydrophopic envelope from the used paper of the Senior High School Department of Our Lady of Perpetual Succor College
AV  - TS 1120.5 I52 2019
CY  - Marikina City.
KW  - 1. Waste paper -- Recycling -- Case studies
N1  - Includes: references
ER  -