Part II article 35 covers the freedom of association in the Constitution of São Tomé e Principe. The country gained independence from Portugal in July 1975, adopting the constitution November 5, 1975.

CIA World Factbook. São Tomé e Príncipehttps://www.cia.gov/the-world-factbook/countries/sao-tome-and-principe/

Constitution of Sao Tome e Principe. Constitute Project. https://www.constituteproject.org/constitution/Sao_Tome_and_Principe_1990