1. ms Nina Okuka (2018) "TESTING OF THE QUALITY OF DISTILLED WATER USED FOR SYRUP RECONSTITUTION IN PHARMACIES ON THE TERRITORY OF BOSNIA AND HERZEGOVINA" - Contemporary Materials 2018 - Савремени Материјали
(https://ekonferencije.com/sr/rad/testing-of-the-quality-of-dist/5617)

2. ms Nina Okuka (2017) "STRESS DEGRADATION OF LISINOPRIL DIHYDRATE IN DIFFERENT AQUEOUS MEDIA" - Contemporary Materials 2017 - Савремени Материјали
(https://ekonferencije.com/sr/rad/stress-degradation-of-lisinopr/5524)