Negara
https://worldpopulationreview.com/country-rankings/countries-with-death-penalty
https://en.wikipedia.org/wiki/Capital_punishment_by_country
https://en.wikipedia.org/wiki/Capital_punishment
https://id.wikipedia.org/wiki/Hukuman_mati_di_Indonesia#:~:text=Hukuman%20mati%20adalah%20salah%20satu,dan%20perdagangan%20obat%2Dobatan%20terlarang
https://www.kompas.com/tren/read/2022/09/20/070500765/mengenal-hukuman-mati-di-indonesia--dasar-hukum-dan-detail-pelaksanaannya?page=all
https://dataindonesia.id/ragam/detail/vonis-hukuman-mati-di-indonesia-melonjak-pada-2021
https://www.balitbangham.go.id/detailpost/hukuman-mati-dalam-perspektif-ham-di-indonesia

Tipe Kejahatan
https://en.wikipedia.org/wiki/Capital_punishment

Menunggu
https://deathpenaltyinfo.org/death-row/death-row-time-on-death-row
https://www.thv11.com/article/news/local/heres-why-it-takes-so-long-to-execute-a-death-row-inmate/91-430235541
https://www.quora.com/Why-does-it-take-so-long-to-execute-someone-on-death-row
https://www.solopos.com/187-terpidana-mati-menunggu-eksekusi-di-lp-nusakambangan-1454486 (data di indonesia per oktober 2022)

Makanan Terakhir
https://www.idntimes.com/science/discovery/alfonsus-adi-putra-2/kumpulan-makanan-terakhir-napi-hukuman-mati-paling-kontroversial
https://www.idntimes.com/food/dining-guide/tita/daftar-makanan-narapidana-pelaku-kejahatan-sebelum-di-eksekusi-mati-1

Metode
https://en.wikipedia.org/wiki/Capital_punishment_by_country
https://en.wikipedia.org/wiki/Capital_punishment
https://www.liputan6.com/news/read/2185794/4-jenis-hukuman-mati-yang-berlaku-di-dunia
https://news.detik.com/berita/d-1901686/hukuman-mati-di-berbagai-negara-dari-rajam-hingga-suntik