de Villa, R. F. (2004). Invented spelling ability and word recognition performance in Filipino among kindergarten pupils.
Lua i Stíl Chicago (17ú heag.)de Villa, Rouella F. Invented Spelling Ability and Word Recognition Performance in Filipino Among Kindergarten Pupils. 2004.
Lua MLA (9ú heag.)de Villa, Rouella F. Invented Spelling Ability and Word Recognition Performance in Filipino Among Kindergarten Pupils. 2004.
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