Voltammetric analysis of cocaine hydrochloride at carbon paste electrode chemically modified with N,N’-ethylene-bis-(salicylideneiminato) manganese(II) Schiff base complex - Castro, Alex Soares; Menezes, Matheus Manoel Teles de; Alves, Gustavo Murilo; Oliveira, Marcelo Firmino de (Microchemical Journal, 2020)