Kaewsri, Sarawut, Alongklod Tanomtong, Praween Supanuam, Sumpars Khunsook, and La-orsri Sanoamuang. 2013. “A Study on the Chromosomes of White-cheeked Gibbon, Nomascus leucogenys (Primate, Hylobatidae) by Conventional Staining Technique”. KKU Science Journal 41 (2):395-403. https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249134.