El salvador agreements: the path to peace
United Nations, [date of publication not identified]
 Buku Teks SO
Wallich, Henry C.
Public finance in a developing country : El Salvador - a case study
Harvard University Press, 1951
 Buku Teks
Chavez, Joaquin Mauricio
Poets and prophets of the resistance: intellectuals and the origins of El Salvador's civil war
Oxford University Press, 2017
 eBooks
Kebry Poetra Krisaff
Konsep-Konsep Terkait Kesenjangan Digital, Bitcoin, dan El Salvador: Tinjauan Literatur tentang Kesenjangan Digital terhadap Kebijakan Bitcoin di El Salvador = Digital Divide Related-concepts, Bitcoin, and El Salvador: Literature Review on Digital Divide Towards Bitcoin Policy in El Salvador
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2023
 UI - Makalah dan Kertas Kerja
Nugroho Notosusanto
Mengenali medan pengabdian: pidato wisuda sarjana, 6 Agustus 1982
UI-Press, 1982
 Buku Teks