Heidrich, JensJensHeidrichOivo, MarkkuMarkkuOivoJedlitschka, AndreasAndreasJedlitschka2022-03-052022-03-052015https://publica.fraunhofer.de/handle/publica/24011310.1002/smr.17222-s2.0-84973594510ensoftware productivityeffort estimationSoftware productivity and effort estimation. Editorialeditorial