Human-to-human (h2h) is a trait of relationships between persons.
H2h relationships include person-to-person (p2p), person-to-collective and collective-to-collective (c2c) relationships.
Human-to-human (h2h) is a trait of relationships between persons.
H2h relationships include person-to-person (p2p), person-to-collective and collective-to-collective (c2c) relationships.