Priya Ranjan Trivedi,
Encyclopaedia of ecology and environment (Environmental education) vol.3 / - New Delhi: Jnanada, 2005. - 405-586p..
Includes bibliographies.
81-7139-001-31
Ecology
333.703 / PRI/E3
Encyclopaedia of ecology and environment (Environmental education) vol.3 / - New Delhi: Jnanada, 2005. - 405-586p..
Includes bibliographies.
81-7139-001-31
Ecology
333.703 / PRI/E3