TY  - JOUR 
T1  - Technical efficiency analysis of marine shrimp farming (Litopenaeus vannamei) in biofloc and conventional systems: A case study in northeastern Brazil
JO  - Anais da Academia Brasileira de Ciências
A1  - REGO, MARCELO A.S.
A1  - SABBAG, OMAR J.
A1  - SOARES, ROBERTA B.
A1  - PEIXOTO, SILVIO
SN  - 0001-3765
UL  - 10.1590/0001-3765201820170953
VL  - 90 
Y1  - 2018
PB  - Brasil 
ER  -