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ESHKOURFU, Rabia; HRIBES, Samira; AWITIL, Soud. Determination of Para-Phenylenediamine (PPD) in Henna Samples Collected from Libyan Local Markets Using Spectrophotometric Method. مجلة جامعة الزيتونة , [S. l.], n. 50, p. 527–538, 2024. Disponível em: https://azzujournal.com/index.php/azujournal/article/view/281. Acesso em: 11 2026.