By Gaston D.A.   Clark D.P.   Onyekwere O.C.   Hoover L.   Gera R.   Kulkarni R.   Scott-Emuakpor A.B.   in Medical Update for Psychiatrists

ISSN:1082-7579|3|6|205-208

Elsevier‎(1998)‎

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By Laes Erik   Meskens Gaston   D'haeseleer William   Weiler Raoul   in International Journal of Sustainable Development

ISSN:0960-1406|7|1|1-26

Inderscience Publishers‎(2004)‎

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