THI HOANG OANH, Le et al.
 Adsorption of N and P in Piggery Wastewater  by CaCl2 Impregnated Activated Carbons Produced  from Coconut Pitch.
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], mar. 2026.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/5440" target="_new">https://js.vnu.edu.vn/EES/article/view/5440</a>&gt;. Date accessed: 06 apr. 2026.
doi: <a href="https://doi.org/10.25073/2588-1094/vnuees.5440">https://doi.org/10.25073/2588-1094/vnuees.5440</a>.