Jafarzadeh Hghighi,N. (1997). Factors Affecting Foam Production in Wastewater Treatment Systems Using Activated Sludge and Ways to Prevent and Control it. Journal of Water and Wastewater; Ab va Fazilab (in persian), 7(4), 38-44. doi: 10.22093/wwj.1997.173988

Jafarzadeh Hghighi,N. . "Factors Affecting Foam Production in Wastewater Treatment Systems Using Activated Sludge and Ways to Prevent and Control it", Journal of Water and Wastewater; Ab va Fazilab (in persian), 7, 4, 1997, 38-44. doi: 10.22093/wwj.1997.173988

Jafarzadeh Hghighi N. (1997). 'Factors Affecting Foam Production in Wastewater Treatment Systems Using Activated Sludge and Ways to Prevent and Control it', Journal of Water and Wastewater; Ab va Fazilab (in persian), 7(4), pp. 38-44. doi: 10.22093/wwj.1997.173988

N. Jafarzadeh Hghighi, "Factors Affecting Foam Production in Wastewater Treatment Systems Using Activated Sludge and Ways to Prevent and Control it," Journal of Water and Wastewater; Ab va Fazilab (in persian), 7 4 (1997): 38-44, doi: 10.22093/wwj.1997.173988

Jafarzadeh Hghighi N. Factors Affecting Foam Production in Wastewater Treatment Systems Using Activated Sludge and Ways to Prevent and Control it. Journal of Water and Wastewater; Ab va Fazilab (in persian), 1997; 7(4): 38-44. doi: 10.22093/wwj.1997.173988