Determination of total and available phosphorus in soil samples collected from Tarhuna, Libya using spectrophotometry. مجلة جامعة الزيتونة , [S. l.], n. 49, p. 712–727, 2024. Disponível em: https://azzujournal.com/index.php/azujournal/article/view/260. Acesso em: 25 2025.