What's the Difference Between DVD+R and DVD-R?

DVD+R and DVD-R media have small differences between them, mostly around how they handle defects and rewriting.

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What is the difference between DVD-RW and DVD ROM? - Quora

Solved] What is the Difference between DVD+R and DVD-R Formats

What are DVD-R discs? An explanation of how DVD-Rs work and their specifications

DVD+R DL - Wikipedia

DVD-R vs DVD+R & DVD-RW vs DVD+RW: What's the Difference

Longevity of Recordable CDs, DVDs and Blu-rays — Canadian Conservation Institute (CCI) Notes 19/1

DVD-R vs. DVD+R: 5 Key Differences and Full Comparison - History-Computer

DVD-R (1997 – ) Museum of Obsolete Media

Knowledge Base DVD-R Information - CDROM2GO

Verbatim Life Series DVD-R 4.7GB 16x Recordable Blank Disc 100 Pack Spindle