De Vera, A. (2019). Shortage of construction workers traced to low pay, poor access to certification. Manila Bulletin.
Chicagoスタイル(17版)引用形式De Vera, Analou. "Shortage of Construction Workers Traced to Low Pay, Poor Access to Certification." Manila Bulletin 2019.
MLA(9版)引用形式De Vera, Analou. "Shortage of Construction Workers Traced to Low Pay, Poor Access to Certification." Manila Bulletin, 2019.
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