Casuyon, A. G. (1992). Effectiveness of the Oral Graphic Symbolic Language (OGSL) Program. The RAP Journal.
Chicago Style (17th ed.) CitationCasuyon, Arminda G. "Effectiveness of the Oral Graphic Symbolic Language (OGSL) Program." The RAP Journal 1992.
MLA (9th ed.) CitationCasuyon, Arminda G. "Effectiveness of the Oral Graphic Symbolic Language (OGSL) Program." The RAP Journal, 1992.
Warning: These citations may not always be 100% accurate.