فترة ضوئية (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "فترة ضوئية" in Arabic language version.

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abc.net.au

  • Foster، Russell؛ Williams, Robyn (5 ديسمبر 2009). "Extra-retinal photo receptors". Science Show. ABC Radio National. مؤرشف من الأصل (Interview) في 2019-12-10. اطلع عليه بتاريخ 2010-05-28. ...we have the evolutionary baggage of showing seasonality but we're not entirely sure what the mechanism is.

archive.org

doi.org

  • Hamner, K.C. (1940). "Interrelation of light and darkness in photoperiodic induction". Botanical Gazette. ج. 101 ع. 3: 658–87. DOI:10.1086/334903. JSTOR:2472399.

jstor.org

  • Hamner, K.C. (1940). "Interrelation of light and darkness in photoperiodic induction". Botanical Gazette. ج. 101 ع. 3: 658–87. DOI:10.1086/334903. JSTOR:2472399.

web.archive.org

  • Foster، Russell؛ Williams, Robyn (5 ديسمبر 2009). "Extra-retinal photo receptors". Science Show. ABC Radio National. مؤرشف من الأصل (Interview) في 2019-12-10. اطلع عليه بتاريخ 2010-05-28. ...we have the evolutionary baggage of showing seasonality but we're not entirely sure what the mechanism is.