Generation of protonic acid site from molecular hydrogen on nano ZnO/H-ZSM-5 / by Sugeng Triwahyono, author, Malik Musthofa, author, Nurul Aini, author, Aishah Abdul Jalil, author, Regional Annual Fundamental Science Seminar (2008: Johor)

Simple technique to determine lewis and bronsted acid sites of solid catalysts / by Malik Musthofa, author, Nurul Aini Mohamed Razali, 1984-, author, Aishah Abdul Jalil, author, Sugeng Triwahyono, author, International Conference on Environment (2008: Pulau Pinang)

Generation of protonic acid site from molecular hydrogen on HZSM-5 based catalysts / by Malik Musthofa, author, Nurul Aini, author, Aishah Abdul Jalil, author, Sugeng Triwahyono, author, USM Penang International Postgraduate Convention (2nd : 2008 : Pulau Pinang)

Generation of protonic acid site on nanosized ZnO/HZSM-5 for n-alkane isomerization / by Sugeng Triwahyono, author, Aishah Abdul Jalil, author, Malik Musthofa, author, Nurul Aini Mohamed Razali, 1984-, author, Nur Hayati Hanis Hairom, author, International Conference on Nano science and Nanotechnology (2008 : Selangor)

A green approach of synthesis of zinc oxide nanospheres by electrochemical method for photocatalytic degradation of methyl orange / by Nur Hanis Hayati Hairom, 1984-, author, Nurul Aini Mohamed Razali, 1984-, author, Malik Musthofa, author, Sugeng Triwahyono, author, Aishah Abdul Jalil, author, International Conference on Environment (2008 : Pulau Pinang)

Synthesis of zinc oxide nanospheres by electrochemical method / by Nur Hanis Hayati Hairom, 1984-, author, Nurul Aini Mohamed Razali, 1984-, author, Malik Musthofa, author, Sugeng Triwahyono, author, Aishah Abdul Jalil, author, International Conference on Nanoscience and Nanotechnology (2008: Selangor)

Eletrochemical dechlorination of toxic chlorobenzenes in the presence of phenanthrene mediator / by Nurulaini Mohamed Razali, author, Hazlini Dzinun, 1986-, author, Nur Hanis Hayati Hairom, 1984-, author, Malik Musthofa, author, Sugeng Triwahyono, author, Aishah Abd. Jalil, author, International Conference on Environment (2008: Pulau Pinang)

Synthesis of zinc oxide nanosphere by electrochemical method / by Nur Hanis Hayati Hairom, 1984-, author, Nurul Aini Mohamed Razali, 1984-, author, Malik Musthofa, author, Muhd. Nazlan Muhd. Muhid, author, Aishah Abdul Jalil, author, Sugeng Triwahyono, author, Scientific Conference of the Electron Microscopy Society Malaysia (17th : 2008 : Kuala Lumpur)