“Residual Efficacy of Cypermethrin and Pirimiphos-Methyl Against Sitophilus Granarius (L.) and Plodia Interpunctella (Hübner) on Concrete Surface”. Pesticides and Phytomedicine Pesticidi I Fitomedicina, vol. 29, no. 4, Feb. 2015, https://doi.org/10.2298/pif.v29i4.7468.