COMBINATION OF SEAWEED (GRACILARIA SP.) AND BLOOD COCKLES (ANADARA GRANOSA) WITH ZEOLITE AS BIOFILTER TO REDUCE LEAD (PB) IN NPK FERTILIZER WASTE Journal title: International Journal of Civil Engineering and Technology Authors: AYSHA REINA KARTIKA SARI, MOCHAMMAD AMIN ALAMSJAH AND ANNUR AHADI ABDILLAH Subject(s): Engineering, Civil Engineering
