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 Social Security System: Quo Vadis? (Where Are You Heading?).
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Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/pmr/article/view/1831" target="_new">https://journals.upd.edu.ph/index.php/pmr/article/view/1831</a>&gt;. Date accessed: 23 sep. 2025.