BHUNESHWAR PRATAP SINGH, RAMJI SINGH and. “Efficacy of Validamycin at Different Crop Stages Against Sheath Blight of Rice”. Indian Phytopathology, vol. 62, no. 3, Aug. 2009, pp. 319-23, https://epubs.icar.org.in/index.php/IPPJ/article/view/12596.