ALVA, S.; UTAMI, R. S.; SHYUAN, L. K.; PUSPASARI, I.; MOHAMMAD, A. B. SYNTHESIS AND CHARACTERIZATION OF TOLUENE SULFONIC ACID (TSA)-DOPED POLYPYRROLE NANOPARTICLES: EFFECTS OF DOPANT CONCENTRATIONS. International Journal of Innovation in Mechanical Engineering and Advanced Materials, Jakarta, Indonesia, v. 2, n. 1, p. 1–9, 2016. DOI: 10.22441/ijimeam.v2i1.18944. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/ijimeam/article/view/18944. Acesso em: 28 may. 2026.