1.
SIREGAR RM. TIPE GROUP INVESTIGATION (GI) PADA MATERI MAKRO MOLEKUL (POLIMER). J. IPI [Internet]. 18 September 2019 [dikutip 12 April 2025];7(2):94-9. Tersedia pada: https://ejournal.uncen.ac.id/index.php/JIPI/article/view/977