Z, R.U. et al. 2022. RED BETEL LEAF EXTRACT SERUM (Piper ornatum) AS AN ALTERNATIVE ANTI-HEAD LICE TREATMENT. NURSING UPDATE : Jurnal Ilmiah Ilmu Keperawatan P-ISSN : 2085-5931 e-ISSN : 2623-2871. 13, 3 (Dec. 2022), 248–252.