Nakaruk, A., Threrujirapapong, T., Channei, D. and Khanitchaidecha, W. (2015) “A Potential of Vetiver Grass for Feldspar Replacement in Ceramic Processing”, Naresuan University Engineering Journal. Phitsanulok, Thailand, 10(2), pp. 43–45. doi: 10.14456/nuej.2015.10.