“SYNTHESIS AND CHARACTERIZATION BY INFRARED AND MOSSBAUER SPECTROSCOPIES OF SOME NEW SnR2 (R = Me, Ph, Bu) RESIDUE CONTAINING ARBOXYALKYLPHOSPHONATE ADDUCTS AND DERIVATIVES” (2023) Journal of Engineering Studies and Research, 29(1), pp. 7–14. Available at: https://jesr.ub.ro/journal/article/view/361 (Accessed: 13 September 2025).