Tarntip Rattana และ Thanakorn Sangsanga. (2018) Plant growth promoting activity of two plant extracts combined with chitosan on chilli seedlings. Mahasarakham University:ม.ป.ท.Tarntip Rattana และ Thanakorn Sangsanga. 2018. Plant growth promoting activity of two plant extracts combined with chitosan on chilli seedlings. ม.ป.ท.:Mahasarakham University;Tarntip Rattana และ Thanakorn Sangsanga. Plant growth promoting activity of two plant extracts combined with chitosan on chilli seedlings. ม.ป.ท.:Mahasarakham University, 2018. Print.