Portillo, R. J. R.2019-04-012025-05-272019-04-012013-03-07Portillo, R. J. R. (2013, March 7). Fast-maturing shellfish pushed for commercial production. BusinessWorld, p. S1/6.http://hdl.handle.net/20.500.12174/5226enFast-maturing shellfish pushed for commercial productionnewspaperArticleshellfishGovernmentsoyster culturePolyculturewater qualitymarketing