Mironova YV, Hrabovetskyi BY. Usage of the method of collective expert estimations «Del’fi» for the choice of optimum estimation index of labour force efficiency usage. Вісник ВПІ [Internet]. 2010Nov.12 [cited 2025Apr.4];(4):33-8. Available from: https://visnyk.vntu.edu.ua./index.php/visnyk/article/view/1743