ISBN 978-621-8402-36-2 (EPUB)
ISBN 978-621-8402-38-6 (PDF read only)
ISBN 978-621-8402-39-3 (PDF downloadable)
Author
Adrian Lawrence P. Carvajal, Richard D. Sanchez, Shielilo R. Amihan, Maricel Cabiling-Ramos, Raul G. Moldez