Determination of Para-Phenylenediamine (PPD) in Henna Samples Collected from Libyan Local Markets Using Spectrophotometric Method. JAZU [انترنت]. 30 يونيو، 2024 [وثق 30 يونيو، 2025];13(50):527-38. موجود في: https://palevioletred-snail-856794.hostingersite.com/index.php/azujournal/article/view/281