No Inv.: 1595/P/Perp/95/1c
No Inv.: 2739/Perp/86/1c
No Inv.: 6083/AF/Perp/86/1c
No Inv.: 871/S/Perp/96/1c~68219/S/00/1c
No Inv.: 729~73824/S/00/PSM/Perp/96/1c
No Inv.: 479/P/Perp/97/1c
Judul asli : "The Persuasive Presentation : a Practical Guide to Profesional Communication in Organizations"
Judul asli : "Men are from Mars Woman are from Venus"
Judul asli : "Human Relationship Skill"
No Inv.: 1493/S/Perp/98/1c~79065-796066/S/01/2c