Sri Wahyuni Nasution, Anita Rosari and Adiansyah Batubara 2024. The comparison of an effectiveness mangkokan leaf extract (notophanax) and chloramphenicol to salmonella typhi and pseudomonas bacteria. Jurnal Info Sains : Informatika dan Sains. 14, 01 (Jan. 2024), 279–292.