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		Alfira, Muna, 		Sumadiyasa, Made, 		Suarbawa, K. N., AND 		Wendri, Nyoman.
" Analysis of Carbon Phase in Activated Coconut Shell Charcoal Based Teeth Whitening Using X-Ray Diffraction (XRD) Method" <em>BULETIN FISIKA</em> [Online], Volume 25 Number 1 (28 February 2024)