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(https://ekonferencije.com/sr1/rad/experimental-identification-of/6644)

2. mr Jelena Erić Obućina (2024) "MAINTENANCE OF THE HYDRAULIC SYSTEM REGARDING THE MATERIALS FROM WHICH ITS COMPONENTS ARE MADE" - Contemporary Materials 2024 - Savremeni Materijali
(https://ekonferencije.com/sr1/rad/maintenance-of-the-hydraulic-s/6642)

3. mr Jelena Erić Obućina (2023) "BIOMASS AS A POTENTIAL SOURCE OF DIFFERENT FORMS OF ENERGY" - Contemporary Materials 2023 - Savremeni materijali
(https://ekonferencije.com/sr1/rad/biomass-as-a-potential-source-/6538)

4. mr Jelena Erić Obućina (2023) "APPLICATION OF QUALITY MATERIALS IN ORDER TO IMPROVE THE SERVICE LIFE OF HYDRAULIC PUMPS" - Contemporary Materials 2023 - Savremeni materijali
(https://ekonferencije.com/sr1/rad/application-of-quality-materia/6536)