MELENDRES, Rhayan G..
 How old is the Babo Balukbuk Site? The Use of Tradeware Ceramics and Radiocarbon Dating in Identifying the Age of Porac, Pampanga, Philippines.
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ISSN 0119-173X. Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/asp/article/view/4369" target="_new">https://journals.upd.edu.ph/index.php/asp/article/view/4369</a>&gt;. Date accessed: 26 aug. 2025.