1. Alaca F (2015) Farklı Haşhaş Tiplerinde Alkaloidler Yönünden Morfolojik ve Ontogenetik Varyabilite. Doktora Tezi, Ankara Üniversitesi, Fen Bil. Ens., Tarla Bitkileri ABD, 143 s.
2. Anonim (2020) Meteoroloji Genel Müdürlüğü.
3. Anonim (2021) Tubives, Türkiye Bitkileri Veri Servisi http://www.tubives.com/ (Erişim Tarihi:15 Nisan 2021).
4. Bernáth J, Dános B, Veres T, Szantó J, Tétényi P (1988) Variation in alkaloid production in poppy ecotypes: Responses to different environments, Biochemical Systematics and Ecology, 16(2):171-178, ISSN 0305-1978, DOI: https://doi.org/10.1016/0305-1978(88)90092-0.
5. Bernath J, Nemeth E (1998) Physiological-Ecological Aspects, In: Poppy: the genus Papaver (Eds Bernath J), Harwood Academic Publishers, The Netherlands. pp 74-100.