STUDY THE BIOLOGICAL EFFECT AND NANO PREPARATION OF OLEANDER PLANT NERIUM OLEANDER ON THE HAIRY GRAIN BEETLE Trogoderma granarium EVERTS (COLEOPTERA: DERMESTIDAE): STUDY THE BIOLOGICAL EFFECT AND NANO PREPARATION OF OLEANDER PLANT NERIUM OLEANDER ON THE HAIRY GRAIN BEETLE Trogoderma granarium EVERTS (COLEOPTERA: DERMESTIDAE). IJMRCP [Internet]. 2026 Mar. 31 [cited 2026 Jun. 2];18(1):336-45. Available from: https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/590