Crisostomo, S. (2003). Teachers to undergo English proficiency testing - Dep Ed. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Crisostomo, Sheila. "Teachers to Undergo English Proficiency Testing - Dep Ed." Philippine Star 2003.
Lua MLA (9ú heag.)Crisostomo, Sheila. "Teachers to Undergo English Proficiency Testing - Dep Ed." Philippine Star, 2003.
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