Warken, I. L. M., & Klan, R. C. (2014). Environmental Sustainability: A Study on the Perspective of Institutional Theory. Pontificia Universidad Católica del Perú.
शिकागो स्टाइल उद्धरणWarken, Ines Liani Menzel, और Roberto Carlos Klan. Environmental Sustainability: A Study On the Perspective of Institutional Theory. Pontificia Universidad Católica del Perú, 2014.
एमएलए उद्धरणWarken, Ines Liani Menzel, और Roberto Carlos Klan. Environmental Sustainability: A Study On the Perspective of Institutional Theory. Pontificia Universidad Católica del Perú, 2014.
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