Rudolf Steiner: Różnice pomiędzy wersjami
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(Utworzono nową stronę "* John Paull, Attending the First Organic Agriculture Course: Rudolf Steiner’s Agriculture Course at Koberwitz, 1924, European Journal of Social Sciences, 2011,") |
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* John Paull, Attending the First Organic Agriculture Course: Rudolf Steiner’s Agriculture Course at Koberwitz, 1924, European Journal of Social Sciences, 2011, | * John Paull, Attending the First Organic Agriculture Course: Rudolf Steiner’s Agriculture Course at Koberwitz, 1924, European Journal of Social Sciences, 2011, | ||
| + | * Mieczysław Górny, Historia rolnictwa ekologicznego 2006 | ||
Wersja z 10:59, 15 wrz 2020
- John Paull, Attending the First Organic Agriculture Course: Rudolf Steiner’s Agriculture Course at Koberwitz, 1924, European Journal of Social Sciences, 2011,
- Mieczysław Górny, Historia rolnictwa ekologicznego 2006
