El-Naggar, A. (2004). TOXIC EFFECT OF COPPER ON GROWTH, PIGMENTS, PROTEINS AND SOME ENZYMES OF NITROGEN ASSIMILATION IN THE DIAZOTROPHIC CYANOBACTERIUM ANABAENA VARIABILIS. test, 5(1), 83-95. doi: 10.21608/egyjs.2004.113989
Amal H. El-Naggar. "TOXIC EFFECT OF COPPER ON GROWTH, PIGMENTS, PROTEINS AND SOME ENZYMES OF NITROGEN ASSIMILATION IN THE DIAZOTROPHIC CYANOBACTERIUM ANABAENA VARIABILIS". test, 5, 1, 2004, 83-95. doi: 10.21608/egyjs.2004.113989
El-Naggar, A. (2004). 'TOXIC EFFECT OF COPPER ON GROWTH, PIGMENTS, PROTEINS AND SOME ENZYMES OF NITROGEN ASSIMILATION IN THE DIAZOTROPHIC CYANOBACTERIUM ANABAENA VARIABILIS', test, 5(1), pp. 83-95. doi: 10.21608/egyjs.2004.113989
El-Naggar, A. TOXIC EFFECT OF COPPER ON GROWTH, PIGMENTS, PROTEINS AND SOME ENZYMES OF NITROGEN ASSIMILATION IN THE DIAZOTROPHIC CYANOBACTERIUM ANABAENA VARIABILIS. test, 2004; 5(1): 83-95. doi: 10.21608/egyjs.2004.113989