Rahman, S. M. F.-U., F. Shahjin, and K. Fukunishi. “Enhanced Photocontrolled Binding of Ag+ by Thioindigo Derivative Containing Oxyethylene Chains With OH Groups at the Terminal Positions”. Journal of Bangladesh Academy of Sciences, vol. 37, no. 2, Jan. 2014, pp. 219-2, doi:10.3329/jbas.v37i2.17564.