Ravichandra Rao, I. (1983). Quantitative methods for library and information science. Wiley eastern.
シカゴスタイル引用形Ravichandra Rao, I.R. Quantitative Methods for Library and Information Science. New Delhi: Wiley eastern, 1983.
MLA引用形式Ravichandra Rao, I.R. Quantitative Methods for Library and Information Science. Wiley eastern, 1983.
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