Pengaruh Product Knowledge dan Relationship Marketing terhadap Pertumbuhan Pelanggan Sales Engineer Product Veichi Electric pada PT Sarana Tripanca Mitra Solusindo di Surabaya

Abstract

The world of human and machine industry has never been separated, these resources are
important for industry in making products in the form of raw goods not yet finished, which will
be processed into a useful product as a source of income for a company, before computers
were invented product manufacturing and product delivery were still traditional and the
production process was carried out by humans, it caused workers to experience fatigue,
accidents and decreased productivity.