Yar, Muhammad; Mushtaq, Nafeesa; Afzal, Sadia; Khan, Abdul Samad; Khan, Islam Ullah; Akhter, Muhammad Nadeem; Zareen, Seema; Shahzad, Sohail Anjum; Khan, Zulfiqar Ali; Raza Naqvi, Syed Ali; Mahmood, Nasir; Tahir, Lubna; Saleem, Muhammad
Asian Journal of Chemistry, 2013 , vol. 25, # 13 p. 7297 - 7304