Silitonga, Rotua Fetricia, and Nurdin Siregar. “PENGARUH SUHU PRE-HEATING TERHADAP MIKROSTRUKTUR DAN SIFAT OPTIK FILM TIPIS ZnO DENGAN METODE SOL-GEL SPIN COATING”. EINSTEIN (e-Journal) 10, no. 1 (February 28, 2022): 1–9. Accessed October 12, 2025. https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/32641.