Nikolova IM, Georgieva N. Efficacy of organic products against insect pests in alfalfa grown for seeds. J. BioSci. Biotechnol. [Internet]. 2018 Nov. 6 [cited 2024 Dec. 27];6(2):91-8. Available from: https://editorial.uni-plovdiv.bg/index.php/JBB/article/view/196