“FT-IR, FT-Raman and GC-MS Analyses of Biochemical Compounds in Ophrys Apifera Huds (Orchidaceae) Species”. International Journal of Pharmacy and Life Sciences, vol. 11, no. 2, Feb. 2020, pp. 6495-04, https://ijplsjournal.com/index.php/ijpls/article/view/405.