1. Data Hiding Scheme on Medical Image using Graph Coloring. (May 2015) Authors: Astuti, Widi; Adiwijaya, ; Wisety, Untari Novia Journal: Journal of physics Issue: Number 622(2015) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Kinetics of Fly Ash Geopolymerization using Semi Quantitative Fourier-Transform Infrared Spectroscopy (FTIR); Corr Data. (May 2019) Authors: Murti Petrus, Himawan Tri Bayu; Adelizar, Arie Satya; Widiyatmoko, Achmad; Olvianas, Muhammad; Suprapta, Wisnu; Perdana, Indra; Prasetya, Agus; Astuti, Widi Journal: IOP conference series Issue: Volume 532(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Molybdenum Extraction from Spent Catalyst Using Citric Acid: Characteristic and Kinetics Study. Issue 1 (September 2021) Authors: Rezki, Amelia Sri; Sumardi, Slamet; Astuti, Widi; Made Bendiyasa, I; Petrus, Himawan Tri Bayu Murti Journal: IOP conference series Issue: Volume 830:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Corrigendum to Green geopolymer cement with dry activator from geothermal sludge and sodium hydroxide [J. Clean. Prod., vol. 293, 15 April 2021, 126143]. (10th April 2022) Authors: Petrus, Himawan Tri Bayu Murti; Fairuz, Faaza Ihda; Sa'dan, Naala; Olvianas, Muhammad; Astuti, Widi; Jenie, S.N. Aisyiyah; Setiawan, Felix Arie; Anggara, Ferian; Ekaputri, Januarti Jaya; Made Bendiyasa, I. Journal: Journal of cleaner production Issue: Volume 344(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. The effect of ternary basicity (CaO/(Al2O3+SiO2)) on selective reduction of limonitic nickel ore. (30th September 2022) Authors: Nurjaman, Fajar; Amely, Idecia; Astuti, Widi; Suharno, Bambang Journal: Advances in materials and processing technologies Issue: Volume 8(2022)Supplement 2 Page Start: 763 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Studies of carbon percentage variation and mixing Saprolite-Limonite in selective reduction. (2022) Authors: Bahfie, Fathan; Manaf, Azwar; Astuti, Widi; Nurjaman, Fajar; Prasetyo, Erik Journal: Materials today Issue: Volume 62:Part 6(2022) Page Start: 4156 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Study of selective reduction in lateritic nickel ore: Saprolite versus limonite. (2021) Authors: Nurjaman, Fajar; Astuti, Widi; Bahfie, Fathan; Suharno, Bambang Journal: Materials today Issue: Volume 44:Part 1(2021) Page Start: 1488 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Methyl violet dye removal using coal fly ash (CFA) as a dual sites adsorbent. Issue 5 (October 2019) Authors: Astuti, Widi; Chafidz, Achmad; Wahyuni, Endang Tri; Prasetya, Agus; Bendiyasa, I. Made; Abasaeed, Ahmed E. Journal: Journal of environmental chemical engineering Issue: Volume 7:Issue 5(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. A novel method: Nickel and cobalt extraction from citric acid leaching solution of nickel laterite ores using oxalate precipitation. (January 2023) Authors: Astuti, Widi; Nurjaman, Fajar; Rofiek Mufakhir, Fika; Sumardi, Slamet; Avista, Dira; Cleary Wanta, Kevin; Tri Bayu Murti Petrus, Himawan Journal: Minerals engineering Issue: Volume 191(2023) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Comparison of effectiveness of citric acid and other acids in leaching of low-grade Indonesian saprolitic ores. (January 2016) Authors: Astuti, Widi; Hirajima, Tsuyoshi; Sasaki, Keiko; Okibe, Naoko Journal: Minerals engineering Issue: Volume 85(2015) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗