To solve this question, the user needs to have knowledge of software development and quality management concepts. The user must identify the application of process management and quality improvement concepts to software development and maintenance.

Option A: QS14000 is not a recognized standard in software development. It is a quality management system standard for the automotive industry.

Option B: ISO 9000 is a family of quality management standards that provide guidance and tools for organizations to ensure that their products and services consistently meet customer requirements and that quality is consistently improved. However, it is not specifically focused on software development.

Option C: The Malcolm Baldrige National Quality Award is a US award for performance excellence and quality achievement, but it is not specifically focused on software development.

Option D: The Software Engineering Institute's Capability Maturity Model Integration (SEI/CMMI) is a process improvement framework that provides organizations with the essential elements of effective processes. It is specifically focused on software development and maintenance.

Therefore, the correct answer is:

The Answer is: D) SEI/CMM.