Ecology and health :
367.7NAY
Nayar, K.R.
Ecology and health : a systems approach / by K.R. Nayar .- New Delhi :APH Publishing Corporation,1998.
viii, 210p.;21cm(Hb)
Note: Includes bibliographical references and index
ISBN:8176480193 Rs. 00.00
Cen Lib/Ret /A-943837/ A-943837 / 0.00 /sign