Kheamrutai Thamaphat, Pichet Limsuwan and Boonlaer Ngotawornchai (2008) “Phase Characterization of TiO2 Powder by XRD and TEM”, Agriculture and Natural Resources. Bangkok, Thailand, 42(5), pp. 357–361. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/244620 (accessed: 10 October 2026).