Logon, A. (1913). Principles and Practice of school gardening. Mac Millan and Co Limited.
Chicago Edition CitationLogon, Alexandes. Principles and Practice of School Gardening. London: Mac Millan and Co Limited, 1913.
ציטוט MLALogon, Alexandes. Principles and Practice of School Gardening. Mac Millan and Co Limited, 1913.
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