Hello aspirant ,

NCERT is enough for better understanding of the chapters but still you have to refer some other books for the practice of numericals.....

Co-ordination componds is the theory chapter but You will need a reference book to solve cross questions that are asked in jee mains

Here I'm providing you the link below From which you will get brief information about reference books......

https://engineering.careers360.com/articles/best-books-for-jee-main

moreover , I'm listing some good reference books publications which will help you to solve the numericals

• Arihant
• MTG fingertips
• Disha
• Errorless

Hope this helps

All the best for your Future