PREPARATION AND CHARACTERIZATION OF ACTIVATED CARBON FROM BABUL (ACACIA ARABICA) AND COCONUT SHELLS BY PHYSICAL ACTIVATION IN A FLUIDIZED BED REACTOR. Pakistan Journal of Scientific & Industrial Research. 2003;46(1):5-9. Accessed March 10, 2026. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1582