Peeranuch Jompuk, Wasana Wongyai, Somsak Apisitvanich, & Chaba Jampatong. (2007). Combining Ability of Inbred Lines Derived from Quality Protein Maize Populations. Agriculture and Natural Resources, 41(3), 433–441. retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/244263