No.Ref: SG150044 ISSN:
NO. REF.: H.F.TAN.858 LCCN:2003004114
NO. REF.: H.F.TAN.755 LCCN:2011031388
No.Ref: YY013345 ISSN: BR102.A1P55
No.Ref: YY005905 ISSN:
No.Ref: AK040278 ISSN: 98-34193
No.Ref: AK040291 ISSN:
No.Ref: AK040793 ISSN: 97-25834
No.Ref: AK040869 ISSN: 95-43183
No.Ref: AK060005 ISSN: 99-35079