Supaporn Ajpru. (1993) Sexual dimorphism of N-acetyltransferase and melatonin levels in the optic lobe of the giant freshwater prawn, Macrobrachum rosenbergii de Man. Mahidol University,:ม.ป.ท.Supaporn Ajpru. 1993. Sexual dimorphism of N-acetyltransferase and melatonin levels in the optic lobe of the giant freshwater prawn, Macrobrachum rosenbergii de Man. ม.ป.ท.:Mahidol University,;Supaporn Ajpru. Sexual dimorphism of N-acetyltransferase and melatonin levels in the optic lobe of the giant freshwater prawn, Macrobrachum rosenbergii de Man. ม.ป.ท.:Mahidol University, 1993. Print.