., S., Sutjahyo, S. H., Wijayanto, N., Hidayat, P., & Kurniawan, R. (2017). VEGETATION DIVERSITY AND INTENSITY OF PLANT PESTS AND DISEASES IN TWO POLYCULTURE SYSTEMS IN TANGGAMUS DISTRICT. Jurnal Hama Dan Penyakit Tumbuhan Tropika, 17(2), 137–146. https://doi.org/10.23960/j.hptt.217137-146