[1] GJH Melvin, CX Tan, Material and Energy Engineering for Sustainable Advancement 2022 (MEESA 2022) Conference (Dec 2022, Kota Kinabalu, Malaysia) Carbonized Rice Husk Coating for Solar Absorber Material.

[2] GJH Melvin, Material and Energy Engineering for Sustainable Advancement 2021 (MEESA 2021) Conference (Sept 2021, Kota Kinabalu, Malaysia) Carbon materials derived from agro-based waste materials (KEYNOTE).

[3] GJH Melvin, HM Ling, WMJ Karen, Material and Energy Engineering for Sustainable Advancement 2021 (MEESA 2021) Conference (Sept 2021, Kota Kinabalu, Malaysia) Feasibility study: Resin-based functionally graded material incorporated with carbonized waste rice husk .

[4]  GJH Melvin, Material and Energy Colloquium 2020, MEC2020 (Sept 2020, Kota Kinabalu, Malaysia) Structural evolution of carbonized rice husks at various temperatures.

[5] GJH Melvin, Energy and Material Colloquium 2019, EMC2019 (Dec 2019, Kota Kinabalu, Malaysia) Beneficial Energy Loss: Electromagnetic Wave Absorber Composite Materials.

[6] GJH Melvin, KF Chai, FM Tamiri, International Conference on Mechanical Engineering, Energy, and Advanced Materials, ICMEEAM2018 (November 2018, Kota Kinabalu, Malaysia) Characterization of carbonized waste materials: Rice husk and saw dust.

[7] GJH Melvin, Q-Q Ni, Z Wang, UMS-PNU-KNU Joint Workshop on Science, Engineering and Technology (April 2018, Busan, Korea) Electromagnetic Wave Absorption Performance of Barium Titanate@Carbon Nanotube Hybrid Nanocomposites.

[8] GJH Melvin, Z Wang, Q-Q Ni, NJ Siambun, MM Rahman, International Conference on Advanced Materials Research and Manufacturing Technologies (August 2017, Phuket, Thailand), Fabrication and Characterization of Carbonized Rice Husk/Barium Titanate Nanocomposites.

[9] GJH Melvin, Z Wang, NJ Siambun, MM Rahman, International Conference on Materials Technology and Energy, ICMTE2017 (April 2017, Miri, Malaysia) Carbon materials derived from rice husks at low and high temperatures.

[10] GJH Melvin, Z Wang, Q-Q Ni, NJ Siambun, MM Rahman, 3rd Advanced Materials Materials Conference, AMC2016 (November 2016, Langkawi, Malaysia) Electromagnetic wave absorption properties of rice husks carbonized at 2500°C.

[11] GJH Melvin, Q-Q Ni, Z Wang, S Morimoto, Y Hashimoto, M Endo, 10th International Conference on Surfaces, Coatings and Nanostructured Materials, NANOSMAT2015 (September 2015, Manchester, UK) Facile fabrication of barium titanate/carbon nanotube nanocomposites and their electromagnetic wave absorption properties.

[12] GJH Melvin, T Natsuki, Q-Q Ni, The 6th Japan Composite Materials Conference, JCCM6 (March 2015, Tokyo, Japan) Fabrication and electromagnetic wave absorption behavior of BTO/CNT nanocomposites.

[13] GJH Melvin, T Natsuki, Q-Q Ni, International Symposium on Fiber Science and Technology 2014, ISF2014 (September 2014, Tokyo, Japan) Bending behavior of polymer-based electroactive nanocomposite actuator incorporated with modified CNTs.

[14] GJH Melvin, T Natsuki, Q-Q Ni, The 5th Japan Composite Materials Conference, JCCM5 (March 2014, Kyoto, Japan) Behavior of shape memory polymer/carbon nanotubes nanocomposite as an electroactive actuator film.

[15] GJH Melvin, T Natsuki, Q-Q Ni, 3rd International Symposium on Advanced Textile Science and Technology, ISATST2013 (November 2013, Hangzhou, China) Carbon-based electroactive nanocomposite actuator of thin films.

[16] GJH Melvin, Q-Q Ni, T Natsuki, 8th International Conference on Surfaces, Coatings and Nanostructured Materials, NANOSMAT2013 (September 2013, Granada, Spain) Fabrication and characterization of polymer-based electroactive nanocomposite actuator.

[17] GJH Melvin, T Natsuki, Q-Q Ni, The 8th Asian-Australasian Conference On Composite Materials, ACCM8 (November 2012, Kuala Lumpur, Malaysia) Fabrication and evaluation of shape memory polymer based composite actuator.

[18] GJH Melvin, T Natsuki, Q-Q Ni, The 3rd Japan Composite Materials Conference, JCCM3, (March 2012, Kyoto, Japan) Fabrication and evaluation of shape memory polymer based composite actuator.

[19] GJH Melvin, T Natsuki, Q-Q Ni, The 40th Japan Society of Mechanical Engineer Student Conference, (March 2011, Ueda, Japan) Actuator behavior of shape memory polymer based composites.