(1990). Environmental education and sustainable development. Indian Environmental Socienty.
Chicago Edition CitationEnvironmental Education and Sustainable Development. New Delhi: Indian Environmental Socienty, 1990.
ציטוט MLAEnvironmental Education and Sustainable Development. Indian Environmental Socienty, 1990.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.