--am hk  eng
++000    00000nam a2200000 a 4500
++020    |a9789888370986
++090    |a510 EXP
++245 00 |aExplanatory  Notes To Junior Secondary Mathematics Curriculum
++250    |a1st ed.
++260    |aHong Kong:|bCurriculum Devlopment,|c2020.
++300    |a79 p.;|c30 cm.
++690    |aMathematics_數學