De Vera, A. (2019). Shortage of construction workers traced to low pay, poor access to certification. Manila Bulletin.
Chicago-viite (17. p.)De Vera, Analou. "Shortage of Construction Workers Traced to Low Pay, Poor Access to Certification." Manila Bulletin 2019.
MLA-viite (9. p.)De Vera, Analou. "Shortage of Construction Workers Traced to Low Pay, Poor Access to Certification." Manila Bulletin, 2019.
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