Sumanth, D. J. (1985). Productivity engineering and management: Productivity measurement, evaluation, planning, and improvement in manufacturing and service organizations. Singapore: McGraw-Hill Book Company.
Παραπομπή Chicago StyleSumanth, David J. Productivity Engineering and Management: Productivity Measurement, Evaluation, Planning, and Improvement in Manufacturing and Service Organizations. Singapore: McGraw-Hill Book Company, 1985.
Παραπομπή MLASumanth, David J. Productivity Engineering and Management: Productivity Measurement, Evaluation, Planning, and Improvement in Manufacturing and Service Organizations. Singapore: McGraw-Hill Book Company, 1985.
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