Role of hospitality certificates in the

समान संसाधन

• Handbook of seed certification
  द्वारा: Devendra kumar, mishra
  प्रकाशित: (2012)
• Selection and Certification in Education and Employment
  द्वारा: Organisation for Economic Co-Operation and Development
  प्रकाशित: (1977)
• Ecotourism & certification : setting standards in practice
  द्वारा: Honey, Martha, Ed
  प्रकाशित: (2002)
• HANDBOOK OF SEED Certification
  प्रकाशित: (2013)
• Indian minimum seed certification standards
  द्वारा: Tunwar N S, Singh S V
  प्रकाशित: (1988)