"VIRUS, VIROID AND PHYTOPALSMA DISEASEA OF GRAPEUINES"
S.J.SINGH
"VIRUS, VIROID AND PHYTOPALSMA DISEASEA OF GRAPEUINES" - "WESTVILLE PUBLISHING HOUSE, NEWDELHI" 2014
"VIRUS, VIROID AND PHYTOPALSMA DISEASEA OF GRAPEUINES" - "WESTVILLE PUBLISHING HOUSE, NEWDELHI" 2014