Somying Boonwan. 2001. Preparation of chitosan beads containing auxin hormones. Field of Study Petrochemisty and Polymer Science, Chulalongkorn University;
Somying Boonwan. (2001) Preparation of chitosan beads containing auxin hormones . Chulalongkorn University/Bangkok.
Somying Boonwan. Preparation of chitosan beads containing auxin hormones. . Bangkok:Chulalongkorn University, 2001.
Somying Boonwan. (2001) Preparation of chitosan beads containing auxin hormones . Chulalongkorn University/Bangkok.