000 00450nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e5002607
_aMAIN
041 _aEnglish
082 _a373.112 M314C
100 _aManisha
245 0 _aComparative study on effectiveness of programmed instructional package and multimedia instructional package for teaching biology to secondary school students
260 _c2018
300 _av. p.
942 _cBK
999 _c9228
_d9228