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Scientific Publication Centralised planning and international co-operation in the introduction and improvement of tropical tree species author(s) Burley, J.. - Kemp, R.H. from UK Foreign, Commonwealth & Development Office (FCDO) permalink open published in 1973 themes Youth citation Burley, J.; Kemp, R.H. Centralised planning and international co-operation in the introduction and improvement of tropical tree species. Commonwealth Forestry Review (1973) 52 (4) 335-343 Publications and datasets provided via GARDIAN Open original