Callo Mamani, Anjhela, and José Villanueva Salas. 2022. “EVALUATION OF NATURAL CLAY FROM CHACO AS AN ADSORBENT IN THE TREATMENT OF WATER CONTAMINATED WITH ARSENIC”. Revista De Investigación Hatun Yachay Wasi 1 (1):9-22. https://doi.org/10.57107/hyw.v1i1.1.