Docekalova, Marie, and Nina Bockova. “The Use of Data Envelopment Analysis to Assess the R&D Effectiveness of the Czech Manufacturing Industry”. Business: Theory and Practice 14, no. 4 (November 11, 2013): 308-314. Accessed November 26, 2024. https://jau.vgtu.lt/index.php/BTP/article/view/8420.