Nattaya Tawichai และ Gobwute Rujijanagul. (2011) Phase transition in normal and relaxor ferroelectric materials /. Chiang Mai University,:ม.ป.ท.Nattaya Tawichai และ Gobwute Rujijanagul. 2011. Phase transition in normal and relaxor ferroelectric materials /. ม.ป.ท.:Chiang Mai University,;Nattaya Tawichai และ Gobwute Rujijanagul. Phase transition in normal and relaxor ferroelectric materials /. ม.ป.ท.:Chiang Mai University, 2011. Print.