Donald, D. G. M. (1965). A study of the history, practice and economics of forest nurseries in South Africa. [University of Stellenbosch].
Chicago-viite (17. p.)Donald, D. G. M. A Study of the History, Practice and Economics of Forest Nurseries in South Africa. Stellenbosch: [University of Stellenbosch], 1965.
MLA-viite (8. p.)Donald, D. G. M. A Study of the History, Practice and Economics of Forest Nurseries in South Africa. [University of Stellenbosch], 1965.
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