1680-0338

S1680-03382022000100012

Cuba

00 03 2022

43 1 12 24

2014

APHA-AWWA-WEF 2017 23rd

4-5-44

2011 6 71 71

540-51

2013

2021 48 3 3

41-52

2020 47 2 2

52-62

2009 76 160 160

107-19

2008 37 10 10

782-8

International Organization for Standardization (ISO) 1991

10.

International Organization for Standaritation (ISO) 1989

11.

International Organization for Standardization (ISO) 1990

12.

International Organization for Standardization (ISO) 2012

13.

Oficina Nacional de Normalización (NC) 2007

14.

StatPoint Inc. 2007