Palm Oil Engineering Bulletin No.85 (Oct - Dec 2007) p27, 33-37
Welding technology for good milling practice: module 3 – welding equipments and welding defects
NARAYANAN, S.P

Palm Oil Engineering Bulletin No.83 (Apr - June 2007) p18-22
Welding technology for good milling practice : module 1 : safety and health in welding environment
NARAYANAN, S.P.