EO 334 hikes tariff on plastics to 15% by Lopez, Edu H.

Paggamit ng plastic bag, ipatitigil by Tan, Jerry S.

Plastic perfect! by Fucanan, Maria Theresa

A methods engineering study on Jet Print Industries, Inc. by Gutierrez, Isa Fe B.

Modern plastics handbook

Available for University of the Philippines Diliman via McGraw-Hill Access Engineering. Click here to access
Also available remotely for University of the Philippines Diliman via McGraw-Hill Access Engineering. Click here to access thru EZproxy

A Production and operations management study on Vemaval, Inc. by Gabriel, Randee Almond

Plastic Container Packaging Corporation a production and operations management study by Cruz, Jay Ferdinand

Introduction to plastics (downloaded from the internet)

Recommended LRFD specifications for plastic pipe and culverts by McGrath, T. J. (Timothy J.)

Modern plastics handbook / Modern plastics