[1]
Sobczak, W., Jabłońska, L. and Klimek, G. 2014. VARIABILITY AND CORRELATION OF THE WHOLESALE AND RETAIL PRICES OF APPLES ON THE WARSAW MARKET IN THE YEARS 2003-2013. Acta Scientiarum Polonorum. Oeconomia. 13, 3 (Sep. 2014), 117–126.