(1)
SILIVANH, S.; THIPPHAPHONE, K.; KEOHAVONG, B.; CHOUMO, Y.; KHOTSAIGNOH, S.; PHETMANY, S.; PIEWKHAMPHOME, S.; SIOUDOMPHANH, V. Factors Influencing on Students’ Learning Problems at Primary School in Viengkham District, Luang Prabang Province. sujournal 2020, 6, 224-234.