SANTOS, Rayany de Oliveira, and Eduardo Yoshio NAKANO. 2015. “ANALYSIS OF JOB PERMANENCE TIME OF FORMAL WORKERS ON LABOR MARKET IN FEDERAL DISTRICT OF BRAZIL VIA COX PROPORTIONAL HAZARD AND LOG-NORMAL MODELS”. Brazilian Journal of Biometrics 33 (4):570-84. http://200.131.250.9/index.php/BBJ/article/view/34.