Rulen, B., 		Zurni, S., & 		Eliza, F.
(2025).
 Analysis of the characteristics of batik wastewater and phytoremediation of water spinach on lead concentration at SMK 4 Pekanbaru.
<em>Riset Informasi Kesehatan, 14</em>(1), 41-48.
doi:10.30644/rik.v14i1.944