PRODUCTION OF ACTIVATED CARBON FROM THE ENDOCARP OF COCONUT NUCIFERA. CASE OF THE EAST COAST OF MADAGASCAR - L.LEHIMENA; AZIZ, I.; RASOANAIVO, J. L.; RAVONINJATOVO, A.O.; ANDRIANAIVO, L.; RATIARISON, A.A. (International Journal of Advance Research and Innovative Ideas In Education, 2020)