Z. KASSAB BASHI, B.; M. AL- NAOH, K. Qualitative and Quantitative Determination of Salicylic acid and Resorcinol in Callus of Calendula officinalis L. Using HPLC Technique. Rafidain Journal of Science, [S. l.], v. 27, n. 3, p. 1–14, 2018. DOI: 10.33899/rjs.2018.159375. Disponível em: https://edusj.uomosul.edu.iq/index.php/rsci/article/view/47392. Acesso em: 10 sep. 2025.