title: Printed identification key or web-based identification guide: an effective tool for species identification?
authors: Department of Biological Sciences, College of Science, University of Santo Tomas, España 1015 Manila, Philippines.
authors: Thomas Edison E
authors: TE
authors: Dela Cruz
authors: Ma Victoria B
authors: MV
authors: Pangilinan
authors: Rodrigo A
authors: RA
authors: Litao