Is the research object primary and secondary school students, college students or other people who are interested in poetry?
If it is a tool, in addition to traditional paper books, there are some learning machines and point readers, and e-books can be read with kindle, tablet or mobile phone.
There are many apps for mobile phones, such as western window candle, ancient poetry dictionary, library, radish book abstracts and so on. The first two are specialized poetry software, and the last two are reading software.
If you are just reading, it is enough to buy poems of interest or download apps on your mobile phone.
If you want to study in depth, you can go to Bili Bili or massive open online courses, where there are wonderful lectures from Chinese language and literature teachers in colleges and universities.
As for the object of reading ancient poetry, if it is a child, there is no need to study it too deeply. Reading poetry is good. Feel the cultural atmosphere, don't rush for success.
If you are a primary or secondary school student, you should study the poems in books first. If you want to know more about the background of a poem written by the poet and other works of the poet, you can read other works written by the poet at the same time.
If they are college students and others who are interested in poetry, it's up to them.