EFFICACY OF BACILLUS THURINGIENSIS BERLINER SUBSPECIES KURSTAKI AND AIZAWAI AGAINST THE BAGWORM, METISA PLANA WALKER ON OIL PALM . tlsr. 2008;19(1):103–114. Accessed May 11, 2024. https://ejournal.usm.my/tlsr/article/view/tlsr_vol19-no-1-2008_8