D. Chonudomkul, W. Yongmanitchai, C. Sookpreedee, P. Yongmanitchai, W. Arunpairojana, and P. Kermanee, “Diversity of Blue-Green Algae and Green Algae in the Deciduous Dipterocarp Forest at Huai Kha Khang Wildlife Sanctuary”, Agr. Nat. Resour., vol. 32, no. 3, pp. 339–346, Sep. 1998.