Tinbergen, N. (2025, July 20). Nikolaas Tinbergen quote. Quotesia. Retrieved from https://quotesia.com/nikolaas-tinbergen-quote/545121
Tinbergen, Nikolaas. “Nikolaas Tinbergen quote”. Quotesia. 20 Jul. 2025: https://quotesia.com/nikolaas-tinbergen-quote/545121.
Tinbergen, N. (2025). Quotesia [Online]. Available at: https://quotesia.com/nikolaas-tinbergen-quote/545121 (Accessed: July 20 2025).
Tinbergen, Nikolaas. “Nikolaas Tinbergen quote” Quotesia. https://quotesia.com/nikolaas-tinbergen-quote/545121 (accessed July 20, 2025).
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