Portable Device for Transformer Oil Inhibitor Content Analysis Using Near-Infrared Spectroscopy Wavelength. - Yang Sing Leong; Pin Jern Ker; Muhamad Haziq Hasnul; Mahdi All Khamis; M. A. Hannan; Md Zaini Jamaludin; Looe Hui Mun (IAS, 2020)

Color Index of Transformer Oil: A Low-Cost Measurement Approach Using Ultraviolet-Blue Laser. - Muhamad Haziq Hasnul Hadi; Pin Jern Ker; Hui Jing Lee; Yang Sing Leong; Mahammad Abdul Hannan; Md Zaini Jamaludin; Mohd Adzir Mahdi (Sensors, 2021)

The Amber-Colored Liquid: A Review on the Color Standards, Methods of Detection, Issues and Recommendations. - Muhamad Haziq Hasnul Hadi; Pin Jern Ker; Vimal Angela Thiviyanathan; Shirley Gee Hoon Tang; Yang Sing Leong; Hui Jing Lee; Mahammad Abdul Hannan; Md Zaini Jamaludin; Mohd Adzir Mahdi (Sensors, 2021)

Measuring Color Index of Transformer Oil-Enabling Single-Wavelength Spectroscopy With Artificial Neural Network-Fuzzy Logic Model. - Muhamad Haziq Hasnul Hadi; Pin Jern Ker; Hui Jing Lee; Yang Sing Leong; Vimal Angela Thiviyanathan; M. A. Hannan; Md Zaini Jamaludin; Mohd Adzir Mahdi (IEEE Trans Autom. Sci. Eng., 2024)