3National Qualification Requirements for Vocational Education and Training [ EB/OL]. [ 2013 - 01 - 23 ]. ht- tp ://www. oeed. org/firdand/2476019, pelf.
4Whitebook, Marcy. Early Education Quality: Higher Teacher Qualifications for Better Living Environments A Re- view of the Literature [ EB/OL]. [ 2013 - 01 - 23 ]. http :// www. iir. berkeley, edu/eseee,/pdf/teaeher, pdf.