Penelitian tahun 2020 https://docs.google.com/spreadsheets/d/1gRyrJgOmOFPR_SPXa3EgYosyUCYWvNMk/edit?usp=drive_link&ouid=104924085667882876431&rtpof=true&sd=true

penelitian tahun 2021 https://docs.google.com/spreadsheets/d/1CooOh4Or3f567nhMLNqzqoolsqG_0nvD/edit?usp=sharing&ouid=104924085667882876431&rtpof=true&sd=true