Tompunu C, Edy HJ, Supriati HS. Formulasi Sirup Analgesik Ekstrak Etanol Daun Songgolangit (Tridax procumbens L.). PHA [Internet]. 2013 Aug. 1 [cited 2024 Nov. 22];2(3). Available from: https://ejournal.unsrat.ac.id/v3/index.php/pharmacon/article/view/2382