4 0
Public communication 6 6 Roderick P Hart - 2nd ed. - - - - - - - . - . - 0 . - . - 0 .
5
5
2 = =
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
--------20--
--------20--
----2
/ 2
/ 2
/
/
Public communication 6 6 Roderick P Hart - 2nd ed. - - - - - - - . - . - 0 . - . - 0 .
5
5
2 = =
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
--------20--
--------20--
----2
/ 2
/ 2
/
/