Malaysia. National Productivity Corporation. (1998). Benchmarking trainer's guide. National Productivity Corporation.
Chicago-viite (17. p.)Malaysia. National Productivity Corporation. Benchmarking Trainer's Guide. Petaling Jaya: National Productivity Corporation, 1998.
MLA-viite (8. p.)Malaysia. National Productivity Corporation. Benchmarking Trainer's Guide. National Productivity Corporation, 1998.
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