Agustina, Dini, 		Kurniawan, Bagus, AND 		Palupi, Intan.
" Modulation of Antibiotic Activity Against Streptococcus pneumoniae by N-acetylcysteine and ascorbic acid" <em>Journal of Agromedicine and Medical Sciences</em> [Online], Volume 2 Number 3 (15 October 2016)