SQL Query to get List of Procurement Agents in Oracle ERP Coud

/********************************************************* 
 *PURPOSE: SQL Query to find Procurement Agents & Access *
 *AUTHOR: Shailender Thallam 				 *
 *********************************************************/
select
       ppf.display_name
     , pu.username
     , hou.name BU_NAME
     , paa.access_action_code
     , paa.active_flag
     , paa.access_others_level_code
from
       po_agent_accesses     paa
     , per_person_names_f_v  ppf
     , per_users             pu
     , hr_organization_units hou
where
       1                       = 1
       and paa.agent_id        = ppf.person_id
       and pu.person_id        = ppf.person_id
       and hou.organization_id = paa.prc_bu_id
;