Ahmed S, Ashtewi M, Abuattwan T. Determination of total and available phosphorus in soil samples collected from Tarhuna, Libya using spectrophotometry. JAZU [انترنت]. 3 مارس، 2024 [وثق 23 ديسمبر، 2025];(49):712-27. موجود في: https://azzujournal.com/index.php/azujournal/article/view/260