Nasution, H., Abdul Aziz, A., Dahlan, A. A., Zulkifli, A. H., & Sumeru, S. (2015). Indoor temperature control and energy saving potential of an air conditioning system using PD controller. Penerbit UTM Press.

Nasution, Henry, Azhar Abdul Aziz, Afiq Aiman Dahlan, Amirah Haziqah Zulkifli, and Sumeru Sumeru. Indoor Temperature Control and Energy Saving Potential of an Air Conditioning System Using PD Controller. Penerbit UTM Press, 2015.

Nasution, Henry, et al. Indoor Temperature Control and Energy Saving Potential of an Air Conditioning System Using PD Controller. Penerbit UTM Press, 2015.