Gunasekaran, K., & Natarajan, V. (1986). Scaling techniques: What, why and how.
Čikaški stil citiranjaGunasekaran, K., i V. Natarajan. Scaling Techniques: What, Why and How. New Delhi, Association of Indian Universities, 1986.
MLA način citiranjaGunasekaran, K., i V. Natarajan. Scaling Techniques: What, Why and How. 1986.
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