2023 Cost-effective approaches to improve global learning. What does recent evidence tell us are "smart buys" for improving learning in low- and middle-income countries
Akyeampong, Kwame ; Andrabi, Tahir ; Banerjee, Abhijit ; Banerji, Rukmini ; Dynarski, Susan ; Glennerster, Rachel ; Grantham-McGregor, Sally ; Muralidharan, Karthik ; Piper, Benjamin ; Ruto, Sara ; Saavedra, Jaime ; Schmelkes, Sylvia ; Yoshikawa, Hirokazu - 2023 - Inglés