Warin, I., Chiradej, C., Chatchai, N., & Kan, C. (2009). The Increased Efficacy of Tangerine Root Rot Control by Mutant Strains of Trichoderma harzianum. Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist).

Warin, Intana, Chamswarng Chiradej, Ngamriabsakul Chatchai, and Chantrapromma Kan. "The Increased Efficacy of Tangerine Root Rot Control by Mutant Strains of Trichoderma Harzianum." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 2009.

Warin, Intana, et al. "The Increased Efficacy of Tangerine Root Rot Control by Mutant Strains of Trichoderma Harzianum." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 2009.