<?xml version="1.0" encoding="UTF-8"?>
<xml><bibliography><APA>Ongart Werasopon และ Prapai Chairoj; Somsak Leangsiroru; Winyoo Wongubol. (1998) Green Manuring Effects of Perennial Annual and Cover legumes on Upland Rice Yield and Some Properties of Soils. &lt;i&gt;Thai Agricultural Research Journal&lt;/i&gt;, &lt;i&gt;16&lt;/i&gt;(3), 178-184.</APA><Chicago>Ongart Werasopon และ Prapai Chairoj; Somsak Leangsiroru; Winyoo Wongubol. "Green Manuring Effects of Perennial Annual and Cover legumes on Upland Rice Yield and Some Properties of Soils". Thai Agricultural Research Journal  16 (1998):178-184.</Chicago><MLA>Ongart Werasopon และ Prapai Chairoj; Somsak Leangsiroru; Winyoo Wongubol. Green Manuring Effects of Perennial Annual and Cover legumes on Upland Rice Yield and Some Properties of Soils. Department of Agriculture:ม.ป.ท. 1998.</MLA></bibliography></xml>
