Mustapha, M. A., Abdul Manan, Z., & Wan Alwi, H. R. (2015). A new green index as an overall quantitative green performance indicator of a facility. Italian Association of Chemical Engineering (AIDIC).

Mustapha, Mohamad Asrul, Zainuddin Abdul Manan, and Harifah Rafidah Wan Alwi. A New Green Index As an Overall Quantitative Green Performance Indicator of a Facility. Italian Association of Chemical Engineering (AIDIC), 2015.

Mustapha, Mohamad Asrul, Zainuddin Abdul Manan, and Harifah Rafidah Wan Alwi. A New Green Index As an Overall Quantitative Green Performance Indicator of a Facility. Italian Association of Chemical Engineering (AIDIC), 2015.