Title: ʻĒkkasān prakō̜p Kānsammanā Singwǣtlō̜m '36 Phāk Nư̄a rawang wan thī 18-19 Kanyāyon 2536 na Samākhom YMCA Santitham, Čhangwat Chīang Mai
Description: Papers presented to Seminar on Conservation of Watersheds and Environment in Northern Thailand.