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Kalaw, G. J. D., F. E. Merca, and M. S. Lacsamana. "Isolation, Purification, and Partial Characterization of a Lectin from the Leaves of Schefflera Odorata (Blanco) Merr. and Rolfe." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 2001.

Kalaw, G. J. D., et al. "Isolation, Purification, and Partial Characterization of a Lectin from the Leaves of Schefflera Odorata (Blanco) Merr. and Rolfe." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 2001.