DIETER SCHLAGBAUER and DETLEF HECK. (2014) COMPARATIVE ERGONOMIC ASSESSMENT OF SLAB FORMWORK SYSTEMS. ISEC Press:ม.ป.ท.DIETER SCHLAGBAUER and DETLEF HECK. 2014. COMPARATIVE ERGONOMIC ASSESSMENT OF SLAB FORMWORK SYSTEMS. ม.ป.ท.:ISEC Press;DIETER SCHLAGBAUER and DETLEF HECK. COMPARATIVE ERGONOMIC ASSESSMENT OF SLAB FORMWORK SYSTEMS. ม.ป.ท.:ISEC Press, 2014. Print.