?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Tai%2C+Lay+Keng%2C+&rft.aulast=Tai%2C+Lay+Keng&rft.degree=Other&rft.date=2019&rft.title=Amalan+Kepemimpinan+Instruksional+Guru+Besar+Untuk+Meningkatkan+Pencapaian+UPSR%3A+Kajian+Kes+Di+Kedah&rft.inst=Open+University+Malaysia