Ahmad, S., & Ahmad, K. (1990). Business and environment in India. Ashish publication.
シカゴスタイル引用形Ahmad, Shamim, , Khaliq Ahmad. Business and Environment in India. New Delhi: Ashish publication, 1990.
MLA引用形式Ahmad, Shamim, , Khaliq Ahmad. Business and Environment in India. Ashish publication, 1990.
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