Title: Kānsưksā wičhai kīeokap rāidai khō̜ng samāchik Nikhom Sāng Tonʻēng Līang Khōnom Mūak Lek, Čhangwat Sara Burī
Description: Research on incomes of members of Self-help Land Settlements Dairy, Muak Lek, Sara Buri Province, Thailand.