Bralewski T, Hołubowicz R. PERSONAL SALES, ADDITIONAL PROMOTION, PUBLIC RELATIONS AND PUBLICITY AS ELEMENTS OF HORTICULTURAL SEED COMPANIES’ PROMOTION ON THE POLISH MARKET. aspe [Internet]. 2007Sep.30 [cited 2024Dec.24];6(3):11-. Available from: https://js.wne.sggw.pl/index.php/aspe/article/view/3731