Komang, Ardiyasa. 2015. “THE INFLUENCES OF AVAILABLE SOIL WATER DEPLETION FRACTION TO GROWTHS AND YIELDS OF THREE SOYBEAN (Glycine Max (L) Merril) VARIETIES”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 4 (3). http://jurnal.fp.unila.ac.id/index.php/JTP/article/view/861.