- Kaunidusteeninduse arendamise põhiküsimusiJalasto, HansMajandusteadus ja rahvamajandus 1969/70 : aastaraamat1971 / lk. https://www.ester.ee/record=b1691547*est
- A predictive compact model of effective travel time considering the implementation of first-mile autonomous mini-buses in smart suburbsUdal, Andres; Sell, Raivo; Kalda, Krister; Antov, DagoSmart Cities2024 / p. 3914-3935 https://doi.org/10.3390/smartcities7060151