TY - BOOK AU - Gwyer,G.D. TI - Perennial crops supply response: the case of Tanzanian sisal SN - 0901859060 PY - 1971/// CY - Ashford, Wye College PB - School of Rural Economics and Related STudies KW - Sisal industry KW - Tanzania KW - Sisal hemp N1 - Bibliography: p. 46; Open access ER -