Carolina P. de AlmeidaRichard A. GonçalvesElizabeth Ferreira Gouvea GoldbargMarco César GoldbargMyriam Regattieri DelgadoAn experimental analysis of evolutionary heuristics for the biobjective traveling purchaser problem.305-3412012199Ann. Oper. Res.1https://doi.org/10.1007/s10479-011-0994-0db/journals/anor/anor199.html#AlmeidaGGGD12