“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): 7-14. https://jesr.ub.ro/journal/article/view/361.