Aktivitas Anthelmintik Ekstrak Daun Sambung Nyawa (Gynura procumbens) terhadap Haemonchus contortus secara in vitro: Anthelmintic Activity of Sambung Nyawa (Gynura procumbens) Leaf Extract against Haemonchus contortus in vitro. JINTP. 2026;24(2):78-83. doi:10.29244/jintp.24.2.%p