Link

• Depkes RI
• Tenaga Kesehatan RI
• Poltekkes Negeri Surabaya
• Poltekkes Negeri Jakarta
• Pusdiknakes
• Dinkes Jatim
• BNSP
• PPSDM Kesehatan 

 Reference link

• All About Circuit
• elektromedik.blogspot.com
• diskon metodebaru.com
• Data Sheet
• Delabs Circuit
• Discover Circuit
• Eengineer
• Electronic Circuit Diagram
• Electronic Diagram
• Electronic Project Design
• Electronics Lab
• Elektro Indonesia
• Elektronika
• Gateway Electronic
• Hobby Project
• PERTI
• Schematic Fro Free