[28] Sahertian M. Pengaruh Bahan Ajar dan gaya Belajar Terhadap Hasil belajar. Tesis. 2003, hal 23
[29] Ibid, hal 3
[30] Jerrodl E.Camp, Proses Perancangan Pengajaran, IBT, Bandung, 1994, hal  14.
[31] Wingkel. Psykologi Pengajaran, Jakarta, Grasindo, hal 112.
[32] Jerrold , Op.cit, Ibid, hal 49-76
[33] Ibid, hal 78
[34] Ibid, hal  64
[35] Ibid, hal 83
[36] Sardiman, Proses Pembelajaran, Raja Grafindo Persada, Jakarta, 2003, hal 34
[37] Ibid, hal 106
[38] Jerrold op cit, hal 178