Shamsudin, Norhisham, et al. “Kesediaan Guru Sains Sekolah Rendah Terhadap Pelaksanaan Dual Languange Programme (DLP): Readiness of Teachers in Implementing Dual Language Programme (DLP) Among Science Teachers”. Jurnal Pendidikan Sains Dan Matematik Malaysia, vol. 8, no. 1, June 2018, pp. 34-45, https://doi.org/10.37134/jpsmm.vol8.1.3.2018.