PHI Learning
Helping Teachers to Teach and Students to Learn
Helping Teachers to Teach and Students to Learn
Helping Teachers to Teach and Students to Learn
G. RANGASWAMI, PH.D. Formerly, Adviser, Planning Commission; Director, Central Staff College for Agriculture, Hyderabad; and Vice-Chancellor, Tamil Nadu Agricultural University, Coimbatore
A. MAHADEVAN, PH.D. Formerly, Director, Centre for Advanced Studies in Botany, University of Madras.
