Pitayapan Pattanaphonpaibool. (1993) Chemical modifications of ecdysteroids. Ramkhamhaeng University,:ม.ป.ท. 10.14457/RU.the.1993.4
Pitayapan Pattanaphonpaibool. 1993. Chemical modifications of ecdysteroids. ม.ป.ท.:Ramkhamhaeng University,; 10.14457/RU.the.1993.4
Pitayapan Pattanaphonpaibool. Chemical modifications of ecdysteroids. ม.ป.ท.:Ramkhamhaeng University, 1993. Print. 10.14457/RU.the.1993.4