Sourcing is the process of finding suppliers of goods or services.

Human resource management is the management of an organization's workforce. It is responsible for the attraction, selection, training, assessment, and rewarding of employees, while also overseeing organizational leadership and culture, and ensuring compliance with employment and labor laws. wikipedia.org

LinkedIn is a social networking website for people in professional occupations.

Office administration is a set of day-to-day activities related to financial planning, billing and recordkeeping, personnel, and physical distribution and logistics, within an organization. wikipedia.org

Recruitment refers to the process of attracting, screening, and selecting a qualified person for a job. All companies in any industry can benefit from contingency or retain professional recruiters or outsourcing the process to recruitment agencies. wikipedia.org