Analysis of information sources in references of the Wikipedia article "AFC Asian Cup" in English language version.
If there is no 3rd/4th place playoff ... the Participating Teams ranked three (3) and four (4) shall be determined in descending order as follows:
(i) superior goal difference in the semi-finals;
(ii) higher number of goals scored in the semi-finals;
(iii) superior goal difference in the quarter-finals (if applicable);
(iv) higher number of goals scored in the quarter-finals (if applicable)...