TY - GEN AU - Pokushko, M AU - Stupina, A AU - Medina Bulo, MarĂ­a Inmaculada AU - Dresvianskii, E. AU - Mashinets, E. AU - Shmeleva, Zhanna PY - 2020 SN - 1742-6588 UR - http://hdl.handle.net/10498/23664 AB - This work proposes the Data Envelopment Analysis method (DEA) as a tool for evaluating the efficiency of the complex systems operations on the example of fuel and energy companies. It is also presented a comparative analysis of different methods for... LA - eng PB - Institute of Physics Publishing TI - Applying the data envelopment analysis method for evaluating the efficiency of the complex system operations in fuel and energy companies DO - 10.1088/1742-6596/1515/5/052039 ER -