Ongwandee, M., & Pipithakul, W. (2013). Air Pollutant Emissions from the Burning of Incense, Mosquito Coils, and Candles in a Small Experimental Chamber. Applied Environmental Research, 32(1), 69–79. retrieved from https://ph01.tci-thaijo.org/index.php/aer/article/view/9702