https://commons.ufh.ac.za/vital/access/manager/Index en-us 5 Studies on the use of essential oils for the control of Sitophilus Zeamais (Motschulsky) (Coleoptera; Curculionidae): a pest of stored maize grains https://commons.ufh.ac.za/vital/access/manager/Repository/vital:11301 Wed 12 May 2021 17:56:13 SAST ]]> Variation in the essential oil composition of Calendula Officinalis L https://commons.ufh.ac.za/vital/access/manager/Repository/vital:11334 Wed 12 May 2021 16:52:39 SAST ]]>