[1]
P. Pleanprasert, P. Khansawai, and C. Poonsawat, “Characterization of poly (L-Lactic acid) prepared by bulk polymerization process using titanium (IV) butoxide and stannous (II) compounds”, Asia Pac J Sci Technol, vol. 13, no. 6, pp. 677–682, Apr. 2017.