1. D Golubović (2020) "PROBLEMS AND DEFINITION OF MEASUREMENTS IN TRIBOLOGICAL SYSTEMS" - Contemporary Materials 2020 - Savremeni Materijali
(https://ekonferencije.com/sr1/rad/problems-and-definition-of-mea/5875)

2. D Golubović (2019) "COMPARATIVELY TESTING OF TRIBOLOGICAL CHARACTERISTICS OF NODULAR CAST IRON AUSTEMPERED BY CLASSIC AND ISOTHERMAL PROCEDURE" - Contemporary Materials 2019 - Savremeni Materijali
(https://ekonferencije.com/sr1/rad/comparatively-testing-of-tribo/5709)