TY - BOOK AU - Hartmut Albrecht TI - Agricultural extension. Vol 2 Examples and background material SN - 3-88085-405-X U1 - 630.715 PY - 1990/// CY - New Delhi PB - New Age International limited N1 - Hartmut Albrecht: Agricultural extension. Vol 2 Examples and background material. New Delhi. New Age International limited, 1990. 3-88085-405-X--(630.715ALB) ER -