1. An Analysis of student's improvement learning outcome and student's errors based on new man using M-APOS learning approach. (May 2020) Authors: Septianingsih, R; Irwan, I Journal: Journal of physics Issue: Volume 1554(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Antibacterial activity of Escherichia coli from squid ink (Loligo sp.) n-Hexane extracts. Issue 1 (November 2021) Authors: Utami, D R; Irwan, I; Agustina, S; Karina, S; Afriani, S Journal: IOP conference series Issue: Volume 869:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Degradation test of organic congo red compounds using Mn-TiO2/Ti electrode by photocatalytic under the uv-visible iradiation. Issue 1 (May 2021) Authors: Nurdin, M; Maulidiyah, M; Syahputra, R A; Salim, L O A; Wati, I; Irwan, I; Mustapa, F 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) ↗
4. Effect of hexamethylenetetramine surfactant in morphology and optical properties of TiO2 nanoparticle for dye-sensitized solar cells. Issue 1 (May 2021) Authors: Irwan, I; Muzakkar, M Z; Umar, A A; Maulidiyah, M; Salim, L O A; 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) ↗
5. Impact of the COVID-19 Pandemic on Marine Tourism Derawan Island, Berau Regency, East Kalimantan Province. Issue 1 (November 2021) Authors: Simarangkir, O R; Tawang, F; Irwan, I; Utami, P B; Nani, N; Ricky, ; Kodiran, T Journal: IOP conference series Issue: Volume 934:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Isolation of sea cucumbers's (Holothuria atra) secondary metabolite using column-chromatography technique. Issue 1 (November 2021) Authors: Agustina, S; Bella, S; Karina, S; Irwan, I; Ulfah, M Journal: IOP conference series Issue: Volume 869:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Photoelectrocatalytic performance of ilmenite(FeTiO3) doped TiO2/Ti electrode for reactive green 19 degradation in the UV-visible region. Issue 1 (May 2021) Authors: Azis, T; Nurdin, M; Riadi, L S; Arham, Z; Irwan, I; Salim, L O A; Maulidiyah, Maulidiyah 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. Preliminary analysis on development of mathematics learning tools based on indicators of mathematical communication skills. (May 2020) Authors: Ramadhani, S N; Irwan, I Journal: Journal of physics Issue: Volume 1554(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Preliminary Research of Model Eliciting Activities learning Based to Improve Junior High School Students' Mathematical Critical Thinking Ability. (May 2020) Authors: Delfia, S; Irwan, I; Yerizon, Y Journal: Journal of physics Issue: Volume 1554(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Synthesis and charcterization of Cu-doped TiO2 (Cu/TiO2) nanoparticle as antifungal phytophthora palmivora. Issue 1 (May 2021) Authors: Natsir, M; Maulidiyah, M; Watoni, A H; Arif, J; Sari, A; Salim, L O A; Sarjuna, S; Irwan, I; 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) ↗