E. N. NAWANGSIH, “Isolation of anti-idiotype minor capsid Human papillomavirus type 16 (HPV 16 L2) IgY from egg yolk as immunogen of HPV vaccine”, Nusantara Biosci, vol. 9, no. 3, pp. 282–287, Dec. 2017, doi: 10.13057/nusbiosci/n090307.