Deswita, Sudirman, Aloma Karo Karo, and Indra Gunawan. 2008. “PENGARUH PENAMBAHAN LIQUID NATURAL RUBBER PADA POLYBLENDELASTOMER TERMOPLASTIK-POLIPROPILEN”. Jurnal Sains Materi Indonesia 9 (2):156-60. https://doi.org/10.17146/jsmi.2008.9.2.4756.