TY  - BOOK
AU  - Canonigo, C.S.
TI  - Book of Tongue Twisters: for English Teachers & Students
SN  - 9718905006
U1  - GSL Fil 820 C165 1993  
PY  - 1993///
CY  - Sta. Cruz, Manila
PB  - CKC Publications
ER  -