Siti Raudah, Elly Liestiany and Lyswiana Aphrodyanti 2026. Testing Tubal Powder (Derris elliptica) To Control Root Knot Nematodes (Meloidogyne spp.) on Celery Plants. JURNAL PROTEKSI TANAMAN TROPIKA. 9, 1 (Feb. 2026), 1139–1404. DOI:https://doi.org/10.20527/jptt.v9i1.3672.