Labour economic series
Institute of Policy Studies of Sri Lanka
Nisha Arunatilake ... [et al.]
Institute of Policy Studies of Sri Lanka c2020 Labour economic series no. 27
所蔵館1館
Bilesha Weeraratne
Institute of Policy Studies of Sri Lanka 2018 Labour economic series no. 21
Bilesha Weeraratne, Janaka Wijayasiri, and Suwendrani Jayaratne
Institute of Policy Studies of Sri Lanka c2018 Labour economic series no. 20
所蔵館2館
Priyanka Jayawardena
Institute of Policy Studies of Sri Lanka 2017 Labour economic series no. 19
Institute of Policy Studies of Sri Lanka 2014 Labour economic series no. 18