Environmental and safety management, 17 Mei 1996 di Dewan Johor, Holiday Inn, Johor Bahru 
Anjuran bersama Jawatankuasa Sains dan Teknologi Negeri Johor Darul Ta'zim...[et al.] 
 - Johor Bahru  [s.n.]  1996 
 - p.  30 cm