08/04/2021
26/03/2021
11/03/2021
04/03/2021
02/03/2021
25/02/2021
22/02/2021
13/02/2021
02/02/2021
27/01/2021
21/01/2021
15/01/2021
04/01/2021
30/12/2020
23/12/2020
18/12/2020
Instituto de Ingenieros de Minas del Perú (IIMP)
08/04/2021
26/03/2021
11/03/2021
04/03/2021
02/03/2021
25/02/2021
22/02/2021
13/02/2021
02/02/2021
27/01/2021
21/01/2021
15/01/2021
04/01/2021
30/12/2020
23/12/2020
18/12/2020