EVALUATION OF VARIABLE SPEED DRIVES TO IMPROVE ENERGY EFFICIENCY AND REDUCE GAS EMISSIONS: CASE STUDY: Scientific paper. Chem. Ind. Chem. Eng. Q. [Internet]. 2023 Jan. 20 [cited 2024 Nov. 13];29(2):111-8. Available from: https://www.ache-pub.org.rs/index.php/CICEQ/article/view/1032