Romila Chawla. (2011). International encyclopaedia of sustainable and ecotourism (vol.3): Parks and protected area tourism. Rajat.
Chicago Style aipamenaRomila Chawla. International Encyclopaedia of Sustainable and Ecotourism (vol.3): Parks and Protected Area Tourism. Delhi: Rajat, 2011.
MLA aipamenaRomila Chawla. International Encyclopaedia of Sustainable and Ecotourism (vol.3): Parks and Protected Area Tourism. Rajat, 2011.
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