[[1] http://www.dpa.ro/despre/sistemul-integrat-de-management-al-achizitiilor-pentru-aparare/prezentare-generala;]Search in Google Scholar
[[2] Annex 1 to the Instruction 1000.3 concerning the interaction between the requirements issue system and the defense procurement management system for planning, programming, budgeting and evaluation.]Search in Google Scholar
[[3] INSTRUCTION 1000.1-01 for the issue of requirements]Search in Google Scholar
[[4] INSTRUCTION 1000.2-01-concerning the defense procurement management]Search in Google Scholar