TY - BOOK AU - Ison,R.L. AU - Russell,David B. TI - Agricultural extension and rural development: breaking out of traditons : a second-order systems perspective SN - 0521642019 (hc.) U1 - 630.715 PY - 2000/// CY - Cambridge, UK, New York, NY, USA PB - Cambridge University Press KW - Agricultural extension work KW - Australia KW - New South Wales KW - Rural development KW - Pastoral systems KW - Rangelands ER -