%0 Journal Article %T Developing necessary leadership characteristics indicators of Secondary Basic School Administrators in Thailand %A Itsarapong Tanadka %A Panitan Wannawan %A Prayoon Charoensuk %A Sunan Sriphai %J - %D 2019 %R 10.5897/IJEAPS2019.0594 %U https://academicjournals.org/journal/IJEAPS/article-abstract/F0AA8C161234