Z. Helwani
发表
W. Fernando,
Z. Helwani,
M. Othman,
2009
.
Norashid Aziz,
Mohd Roslee Othman,
Jinsoo Kim,
2009
.
Mohd Roslee Othman,
Jinsoo Kim,
Martunus,
2012
.
J. Kim,
Z. Helwani,
M. Othman,
2016
.
Z. Helwani,
Ammar Ali Abd,
Mohd Roslee Othman,
2021,
Separation and Purification Technology.
Z. Helwani,
Marelianda Al Dianty,
Reza Fathurahman,
2021,
IOP Conference Series: Earth and Environmental Science.
Norashid Aziz,
Mohd Roslee Othman,
Jinsoo Kim,
2013
.
A. A. Abd,
Z. Helwani,
Mohammed Othman,
2022,
Journal of Environmental Chemical Engineering.
Mohd Roslee Othman,
Jinsoo Kim,
J. Kim,
2016
.
Z. Helwani,
Mohammed Othman,
I. Zahrina,
2021,
Processes.
Z. Helwani,
M. Othman,
E. Saputra,
2020,
Catalysts.
Z. Helwani,
E. Saputra,
W. Fatra,
2018
.
A. A. Abd,
Z. Helwani,
Mohammed Othman,
2021,
Energy Conversion and Management.
H. Schieffer,
Z. Helwani,
G. Fröhlig,
1999,
Pacing and clinical electrophysiology : PACE.
Martunus,
W. Fernando,
Z. Helwani,
2009
.
Aman,
Z. Helwani,
H. Maizir,
2020,
IOP Conference Series: Materials Science and Engineering.
Z. Helwani,
Z. Jalil,
R. Idroes,
2022,
Molecules.
Z. Helwani,
Bahruddin,
Ivan Fadhillah,
2021,
Journal of Physics: Conference Series.
Z. Helwani,
W. Susanty,
Bahruddin Bahruddin,
2019,
Jurnal Rekayasa Kimia & Lingkungan.
Martunus,
W. Fernando,
Z. Helwani,
2009
.
T. Mahlia,
Z. Helwani,
E. Saputra,
2020
.
Martunus,
Z. Helwani,
M. Othman,
2013
.
Yanuar,
Z. Helwani,
R. Satoto,
2013
.
M. Olivia,
O. Muraza,
Z. Helwani,
2022,
Applied Nanoscience.
Z. Helwani,
W. Susanty,
Zulfansyah,
2018
.
Z. Helwani,
W. Fatra,
Jecky '. Asmura,
2016
.
T. Mahlia,
Z. Helwani,
M. Marlina,
2020,
Processes.
Z. Helwani,
M. Othman,
I. Idris,
2018
.
Z. Helwani,
M. Othman,
N. Aziz,
2016
.
Martunus,
Z. Helwani,
M. Othman,
2012
.
A. A. Abd,
Z. Helwani,
Mohammed Othman,
2022,
Chemical Engineering Research and Design.
Z. Helwani,
Ammar Ali Abd,
Mohd Roslee Othman,
2022,
Energy Conversion and Management.
Muslem,
Mahmudi,
Z. Helwani,
2019,
IOP Conference Series: Earth and Environmental Science.
Z. Helwani,
B. Ginting,
R. Idroes,
2021
.
Saiful,
Muslem,
Z. Helwani,
2021
.
Muslem,
Z. Helwani,
R. Idroes,
2020,
IOP Conference Series: Materials Science and Engineering.
Muslem,
Z. Helwani,
I. Zahrina,
2021
.
Muslem,
Z. Helwani,
I. Zahrina,
2021
.
Muslem,
Irvanizam,
Z. Helwani,
2021
.
A. A. Abd,
Z. Helwani,
Mohammed Othman,
2022,
Energy.
Z. Helwani,
Ammar Ali Abd,
Mohd Roslee Othman,
2022,
Fuel.
Martunus,
Z. Helwani,
M. Othman,
2010
.
A. A. Abd,
Z. Helwani,
Mohammed Othman,
2023,
Energy.
A. A. Abd,
Z. Helwani,
Mohammed Othman,
2022,
Chemical Engineering Journal.
A. A. Abd,
Z. Helwani,
Mohammed Othman,
2022,
Biomass Conversion and Biorefinery.
Z. Helwani,
M. Othman,
R. Idroes,
2021
.
Z. Helwani,
W. Fatra,
Hari ' Rionaldo,
2015
.
Optimization of Biodiesel Production Process from Oil-Palm off Grade using CaO from Chicken Eggshell
Z. Helwani,
M. Othman,
S. Bahri,
2015
.
Z. Helwani,
A. Wiranata,
I. Fadhillah,
2023,
Materials Today: Proceedings.
J. Kim,
Z. Helwani,
M. Othman,
2015
.
Z. Helwani,
Jinsoo Kim,
Ammar Ali Abd,
2023,
Journal of Industrial and Engineering Chemistry.
J. Kim,
Z. Helwani,
M. Othman,
2014,
Heat and Mass Transfer.
Z. Helwani,
A. Amri,
Karfika Ainil Hawa,
2020
.
Z. Helwani,
T. Emran,
R. Idroes,
2023,
Infolitika Journal of Data Science.
Z. Helwani,
Ammar Ali Abd,
Mohd Roslee Othman,
2024,
Energy Conversion and Management.
Z. Helwani,
Ammar Ali Abd,
Mohd Roslee Othman,
2023,
Fuel.
A. A. Abd,
Z. Helwani,
Mohammed Othman,
2023,
Renewable Energy.
Z. Helwani,
M. Othman,
W. Fatra,
2018
.
Z. Helwani,
Hind Jihad Kadhim Shabbani,
S.K. Al- Janabi,
2023,
International Journal of Hydrogen Energy.
Urban Air Quality Classification Using Machine Learning Approach to Enhance Environmental Monitoring
Z. Helwani,
S. Suhendrayatna,
K. Khairan,
2023,
Leuser Journal of Environmental Studies.