Physico-chemical characteristics of wastewater from a ball mill facility in small-scale gold mining area of Paraclale, Camarines Norte, Philippines / 
Jessie O. Samaniego and Maria Antonia N. Tanchuling. 
 - Manila:  Department of Science and Technology  2018 
 -  Philippine Journal of Science Vol. 147 No. 3  September 2018, pages 343 - 356 .
<br/><br/><label>ISSN: </label>0031 - 7683 
<br/><br/><label>Subjects--Index Terms: </label>Amalgamation,  Heavy metals,  Physico-chemical parameters,  Small-scale gold mining (SSGM),  Wastewater