Assessment of indoor air quality in comparison using air conditioning and fan system in printing premiseNazirah Ramlan, Siti Nurhalimatul Husna Ahmad, Eeydzah Aminuddin, Hazrul Abdul Hamid, Siti Khalijah Yaman and Abd Halid AbdullahMATEC Web Conf., 101 (2017) 04006DOI: https://doi.org/10.1051/matecconf/201710104006