Bakar, S. “Infestations Of Two Major Pests Of Cocoa, Conopomorpha Cramerella and Helopeltis Theivora Under Natural Condition”. Pelita Perkebunan (a Coffee and Cocoa Research Journal), Vol. 35, no. 3, Jan. 2020, pp. 186-92, doi:10.22302/iccri.jur.pelitaperkebunan.v35i3.359.