Utilization of Glycerol by Ketalization Reactions with Acetone to Produce Solketal using Indion 225 Na as Catalyst. - Sulistyo, Hary; Priadana, Didan Prasiasda; Fitriandini, Yasinta Wahyu; Ariyanto, Teguh; Azis, Muhammad Mufti (International Journal of Technology, 2020)