[1]
Chhetri, R. , Toomsan, B. , Kaewpradit, W. และ Limpinuntana, V. 2012. Traditional practice of leaf litter harvesting and utilization by farmers in west-central Bhutan: Paving the way for sustainable management. วารสารแก่นเกษตร. 40, 4 (ธ.ค. 2012), 363–372.