1. Characterization of cellulose nanocrystalline isolated from banana peduncles using acid hydrolysis. Issue 1 (November 2021) Authors: Ratna, ; Aprilia, S; Arahman, N; Munawar, A A Journal: IOP conference series Issue: Volume 922:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Cultural Mapping of the Heritage Districts in Medan, North Sumatra. (March 2017) Authors: Fitri, I; Ratna, ; Sitorus, R; Affan, M Journal: IOP conference series Issue: Volume 180(2017) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Environmental friendly packaging based on rice liquid as edible film: a feasibility study. Issue 1 (January 2021) Authors: Ratna, ; Rizkinazar, P; Sari, S P Journal: IOP conference series Issue: Volume 644:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Heritage conservation roadmap for the historic city of Medan, Indonesia. Issue 1 (May 2020) Authors: Fitri, Isnen; Ratna, ; Marisa, Amy; Sitorus, Rudolf Journal: IOP conference series Issue: Volume 801:Issue 1(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Photoelectrocatalytic degradation of reactive red 141 using FeTiO3 composite doped TiO2/Ti electrodes. Issue 1 (May 2021) Authors: Muzakkar, M Z; Natsir, M; Alisa, A; Maulidiyah, M; Salim, L O A; Sulistiyani, I; Mustapa, F; Ratna, ; Nurdin, M Journal: Journal of physics Issue: Volume 1899:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Production and characterization of activated carbon from cashew nut shell using N2 as activation agent. (July 2019) Authors: Anas, M; Jahiding, M; Ratna, ; Sudiana, I N Journal: IOP conference series Issue: Volume 550(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Synthesis of chitosan-CuO composite and it's application as heavy metal adsorbent. Issue 1 (May 2021) Authors: Firnanelty, ; Chadijah, S; Ratna, ; Nurhuda, S; Sittiama, Journal: Journal of physics Issue: Volume 1899:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. The Influence of Information and Communication Technology and Culture Organition on Public Services in the Munjul Sub-District Office, Majalengka District. Issue 5 (March 2020) Authors: Ratna, Journal: Journal of physics Issue: Volume 1477:Issue 5(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Understanding the Historic Centre of Merdeka-Kesawan: Heritage Significance Assessment in Planning and Development Context. Issue 1 (April 2020) Authors: Fitri, Isnen; Ratna, ; Marisa, Amy; Sitorus, Rudolf Journal: IOP conference series Issue: Volume 452:Issue 1(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗