Amin A, Waris R, Sari R. NILAI RENDEMEN DAN ANALISIS FITOKIMIA EKSTRAK DAUN PECUT KUDA (Stachytarpheta jamaicensis) BERDASARKAN LAMA EKSTRAKSI DENGAN METODE ULTRASONIC ASISSTED EXTRACTION: YIELD AND PHYTOCHEMICAL ANALYSIS OF "BLUE PORTERWEED” (STACHYTARPHETA JAMAICENSIS) LEAF EXTRACT BASED ON EXTRACTION LENGTH USING ULTRASONIC ASSISTED EXTRACTION. GK [Internet]. 2024 Dec. 31 [cited 2025 Jul. 21];16(2):112-21. Available from: https://gk.jurnalpoltekkesjayapura.com/gk/article/view/469