Instructor's guide to the modules /
Rosskam, E.
Instructor's guide to the modules / E. Rosskam. - 1st ed. - Geneva : International Labour Organization, 1996. - x, 40 p. : ill. ; 30 cm. - Your health and safety at work : a collection of modules. .
9221094405.
Teaching --Aids and devices.------
Instructor's guide to the modules / E. Rosskam. - 1st ed. - Geneva : International Labour Organization, 1996. - x, 40 p. : ill. ; 30 cm. - Your health and safety at work : a collection of modules. .
9221094405.
Teaching --Aids and devices.------