“VEGETATION DIVERSITY AND INTENSITY OF PLANT PESTS AND DISEASES IN TWO POLYCULTURE SYSTEMS IN TANGGAMUS DISTRICT”. Jurnal Hama dan Penyakit Tumbuhan Tropika 17, no. 2 (October 1, 2017): 137–146. Accessed July 28, 2026. https://jhpttropika.fp.unila.ac.id/index.php/jhpttropika/article/view/413.