“SOURCES OF RESISTANCE AND TRICHOME ANALYSIS OF PHILIPPINE INDIGENOUS Hoya SPECIES AGAINST THE MILKWEED APHID, Aphis nerii Boyer De Fonscolombe (HEMIPTERA: APHIDIDAE)” (2023) BIOTROPIA, 30(1), pp. 74–81. doi:10.11598/btb.2023.30.1.1783.