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Sirait, Makmur and Sinulingga, Karya and Siregar, Nurdin and Doloksaribu, Maryati Evivani and Amelia, (2022) CHARACTERIZATION OF HYDROXYAPATITE BY CYTOTOXICITY TEST AND BENDING TEST. In: The 3rd International Conference on Sciences and Technology Applications (ICOSTA) 2021, Medan, 2 Nov 2021.
Siregar, Nurdin and Sirait, Makmur and Motlan, (2022) SYNTHESIS AND OPTICAL PROPERTIES OF Sb-DOPED ZnO THIN FILM BY SOL-GEL SPIN COATING METHOD. In: The 3rd International Conference on Sciences and Technology Applications (ICOSTA) 2021, Medan, 2 Nov 2021.