TY  - BOOK
AU  - HAREFA,Andrias
TI  - Presentasi Efektif
SN  - 979-731-085-X
U1  - 808.5 
PY  - 2003///
CY  - Yogyakarta
PB  - Andi
KW  - 0
KW  - Grade 10-12
ER  -