Batin, Charlie, Pablico, Julius, Agtarap, Jacob, Bonuen, Karen Joy, Teneza, Justine Rose, AND Achuela, Amabel. " Vertical flow constructed wetland: a technological innovation for domestic wastewater treatment at Paoay Lake, Municipality of Paoay, Ilocos Norte, Philippines" International Journal of Biosciences and Biotechnology [Online], Volume 1 Number 1 (28 February 2023)