Golinowska, M. “ECONOMIC AND ORGANISATIONAL PROBLEMS OF PLANT PROTECTION IN ORCHARDS WITH INTEGRATED FRUIT PRODUCTION”. Acta Scientiarum Polonorum. Oeconomia, Vol. 1, no. 1, June 2002, pp. 45-56, https://js.wne.sggw.pl/index.php/aspe/article/view/3584.