This quick overview from the Begin-Sadat Center for Strategic Studies Bar-Ilan University is a great read. It is about 15 pages and can be read very quickly. QUICK LINK TO PDF

The table of contents include the following sections:

1) The Targeting of Soleimani Is a Major Blow to Iran - Hillel Frisch

2) Why Did the US Kill Qassem Soleimani - Eytan Gilboa

3) Qassem Soleimani's Unique Strategic Significance - Gershon Hacohen

4) Dilemmas Facing the Revolutionary Regime Following the Elimination of Qassem Soleimani - Doron Itzchakov

5) Soleimani, the Blog, and the Echo Chamber - Alex Joffe

View or Download the PDF Here

A second paper on the relationship between Iran and Hezbollah.

https://www.jstor.org/stable/26296878?seq=8#metadata_info_tab_contents