Zainab Ompu Jainah, et al. “Optimization of Performance As A Community Service Regarding The Implementation of The Covid-19 Vaccine Based on Article 25 Paragraph 3 Letter C Government Regulation Number 17 Of 2018 Concerning Districts ”. Proceeding ICOMLOS, vol. 1, no. 1, Jan. 2022, http://proceedingconference.ubl.ac.id/index.php/icomlos/article/view/18.