Pichai Sonchaeng. (1995) Biotic communities around artificial reef in the gulf of Thailand. Mahidol University,:ม.ป.ท.Pichai Sonchaeng. 1995. Biotic communities around artificial reef in the gulf of Thailand. ม.ป.ท.:Mahidol University,;Pichai Sonchaeng. Biotic communities around artificial reef in the gulf of Thailand. ม.ป.ท.:Mahidol University, 1995. Print.