SYM-OP-IS 2020. XLVII International Symposium on Operational Research. SYM-OP-IS 2020: XLVII Simpozijum o operacionim istraživanjima. 1. izdanje. Belgrade : University of Belgrade, 2020. [537 s.]. Available on Internet: <https://symopis.sf.bg.ac.rs/download/Zbornik%20SYMOPIS%202020.pdf> ISBN 978-86-7395-429-5.