المؤلفون: Thuithaisong, Chunchara, Parkpian, Preeda, Shipin, Oleg V., Shrestha, Rajendra P., Naklang, Kunnika, DeLaune, Ron D., Jugsujinda, Aroon

المصدر: Communications in Soil Science and Plant Analysis ; volume 42, issue 5, page 548-568 ; ISSN 0010-3624 1532-2416

الاتاحة: https://doi.org/10.1080/00103624.2011.546930
http://www.tandfonline.com/doi/pdf/10.1080/00103624.2011.546930