1. AFQI (2007), “Raport o stanie rolnictwa ekologicznego w Polsce w latach 2005-2006 (The report on organic farming in Poland in 2005-2006)”, Agricultural and Food Quality Inspection, Warsaw, available at: https://ijhars.gov.pl/pliki/A-pliki-z-glownego-katalogu/ethernet/2012/BRE/BRE/Raport_eko.pdf (accessed 4 September 2019).
2. AFQI (2009), “Raport o stanie rolnictwa ekologicznego w Polsce w latach 2007-2008 (The report on organic farming in Poland in 2007-2008)”, Agricultural and Food Quality Inspection, Warsaw, available at: https://ijhars.gov.pl/pliki/A-pliki-z-glownego-katalogu/ethernet/2012/BRE/BRE/RAPORT2007-2008.pdf (accessed 5 October 2019).
3. AFQI (2011), “Raport o stanie rolnictwa ekologicznego w Polsce w latach 2009-2010 (The report on organic farming in Poland in 2009-2010)”, Agricultural and Food Quality Inspection, Warsaw, available at: https://ijhars.gov.pl/pliki/biuletyn/2011/IJHRS%20Raport%20o%20stanie%20rolnictwa%20ekologicznego%20w%20Polsce%202009-2010.pdf (accessed 5 October 2019).
4. AFQI (2013), “Raport o stanie rolnictwa ekologicznego w Polsce w latach 2011-2012 (The report on organic farming in Poland in 2011-2012)”, Agricultural and Food Quality Inspection, Warsaw, available at: https://ijhars.gov.pl/pliki/A-pliki-z-glownego-katalogu/ethernet/2013/SME/raport%20ekologiczny%202011%202012%20GIJHARS.pdf (accessed 5 October 2019).
5. AFQI (2015), “Raport o stanie rolnictwa ekologicznego w Polsce w latach 2013-2014 (The report on organic farming in Poland in 2013-2014)”, Agricultural and Food Quality Inspection, Warsaw, available at: https://ijhars.gov.pl/pliki/A-pliki-z-glownego-katalogu/ethernet/2015/wrzesien/Raport%20o%20stanie%20rolnictwa%20ekologicznego%20w%20Polsce%20w%20latach%202013-2014.pdf (accessed 5 October 2019).