000 00343nam a2200145 4500
082 _a374.4 SIN-L
100 _aSinha, B K, Ed.
245 _aLesson writing for correspondence students
250 _a
260 _aPatna
_bInstitute of Correspondence courses
_c
300 _a
490 _a
650 _aDistance Education
942 _cBK
999 _c590831
_d590831