Teguh Widodo, Indang Dewata, Iswandi Umar, Ramadhani (2020) “ORRELATION BETWEEN LIFE EXPECTANCY AND PERCENTAGE POPULATION OVER 65 YEARS”, PalArch’s Journal of Archaeology of Egypt / Egyptology, 17(7), pp. 5108–5117. Available at: https://archives.palarch.nl/index.php/jae/article/view/2631 (Accessed: 31 October 2025).