Oktavia, Elisa, Winarto, Winarto, AND Sulyanti, Eri. " Aktivitas Ekstrak Daun Jarak Kepyar (Ricinus communis Linnaeus) terhadap Perkembangan Nematoda Meloidogyne spp. pada Tanaman Tomat (Lycopersicum esculentum Miller)" JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) [Online], Volume 5 Number 1 (30 June 2021)