Wiharyanti, R., F. Aulia, and A. Merdekawati. “Primer Design and In Silico Amplification of PhtD Gene from Streptococcus Pneumoniae As Independent Serotype Pneumoniae Protein Vaccine Candidate”. Consilium Sanitatis: Journal of Health Science and Policy, vol. 1, no. 2, Apr. 2023, pp. 98-106, doi:10.56855/jhsp.v1i2.283.