Tambunan, Van Basten, et al. “Pollen Load and Distribution on the Body of Elaeidobius Kamerunicus Faust. (Coleoptera: Curculionidae) Within Oil Palm Plantations”. Jurnal Entomologi Indonesia, vol. 17, no. 2, Sept. 2020, p. 81, doi:10.5994/jei.17.2.81.