- 2014 - Politeknik Kesehatan Kemenkes Tanjung Karang, Jurusan Analis Kesehatan
- 2015 - GCP training for IMPROV
- 2017 - Certified malaria microscopist - Human Malaria Microscopy Training and Assessment of Malaria
- Reading Skill
- 2018 - Certified phlebotomist
Ratna has been part of EOCRU team since 2015 as a laboratory staff in the site as part of IMPROV study. She is responsible in blood sampling, blood slide preparation, hematology and chemistry.