“Residual Efficacy of Cypermethrin and Pirimiphos-Methyl Against Sitophilus Granarius (L.) and Plodia Interpunctella (Hübner) on Concrete Surface”. 2015. Pesticides and Phytomedicine Pesticidi I Fitomedicina 29 (4). https://doi.org/10.2298/pif.v29i4.7468.