An efficient synthesis, spectroscopic characterization, and optical nonlinearity response of novel salicylaldehyde thiosemicarbazone derivatives - Khalid, Muhammad; Jawaria, Rifat; Khan, Muhammad Usman; Braga, Ataualpa Albert Carmo; Shafiq, Zahid; Imran, Muhammad; Zafar, Hafiz Muhammad Ahmad; Irfan, Ahmad (ACS Omega, 2021)