ZakariaF. R.; D.C.E. V. PENGARUH EKSTRAK JAMU TERHADAP AKTIVITAS SEL NATURAL KILLER DALAM MELISIS ALUR SEL LEUKIMIA (K-562) SECARA IN VITRO [The Effects of Commercial “Jamu” Extracts on Natural Killer Cell Activity in Lysing Leukemic Cell Line (K-562 ) in vitro]. Jurnal Teknologi dan Industri Pangan, v. 13, n. 1, p. 19, 13 Sep. 2013.