https://dpupr.depok.go.id/txt/
https://kadinsigli.org/law/
https://pafikotasukamakmue.id/pkl/
https://kadinpemkosurabaya.org/pkl/
https://kesbangpol.depok.go.id/app/
https://dpmptk.bangkatengahkab.go.id/lk21/
Primajati, G., and A. Ahmad. “A Analisis Portofolio Investasi Dengan Metode Mean Varian Dua Konstrain”.
Jurnal Varian
, Vol. 2, no. 1, Oct. 2018, pp. 24-30, doi:https://doi.org/10.30812/varian.v2i1.319.