Nguyen Thanh, T.T. et al. 2022. Development of Intumescent Flame Retardant for Polypropylene: Bio-epoxy Resin Microencapsulated Ammonium-polyphosphate. Periodica Polytechnica Chemical Engineering. 66, 2 (Jan. 2022), 313–324. https://doi.org/10.3311/PPch.19468.