Kumaragamage, D.2017-06-232017-06-231994The Second National Symposium on Eppawala Phosphate Deposit: Recent Advances in Knowledge:p.15-16https://dl-ifs.nsf.gov.lk/handle/1/1802Agronomic evaluation of primary apatite crystals (selectively mined Eppawala rock phosphate - SERP)Article