1. Statistical review on agricultural production of fruit and grapes in Republic of Macedonia for period 2008-2015. Skopje: Parliament of Republic of Macedonia; 2018. Available from: https://www.sobranie.mk/content/PI/12.pdf.
2. Ministry of agriculture, forestry and water of the Republic of North Macedonia. Annual Agrucultural Report for 2017 year. Skopje. Available from: http://www.mzsv.gov.mk/cms/Upload/docs/GZI-2017.pdf.
3. Öğüt S, Polat M, Küçüköner E. Evaluating of total antioxidant and total oxidant capacities in organic and non-organic apples and in the blood of their producers. Available from: https://core.ac.uk/download/pdf/153447073.pdf.
4. New York Center for Agricultural Medicine & Health, Migrant Clinicians Network. Occupational health profile apple workers. New York: 2006. Available from: https://www.migrantclinician.org/files/04_occupation_apple_workers.pdf.
5. Chemical pesticides and human health: The urgent need for a new concept in agriculture;Nicolopoulou-Stamati;Front Public Health,2016