TOMŠÍK, Pavel. Approaches to diagnostics of agricultural and food-processing subjects. In Agricultural economics : an international journal = mezinárodní vědecký časopis. - Prague : Institute of Agricultural and Food Information, 2004. ISSN 0139-570X, 2004, vol. 50, no. 12, s. 552-555. Dostupné na : <http://www.agriculturejournals.cz/publicFiles/58798.pdf>