Abstrak
<p style="margin: 1em 0px; color: #111111; font-family: 'Times New Roman', Times, Georgia, serif; font-size: 11.2px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff;"><em>This study was aimed at producing valid e-learning based instructional materials. A Research and Development designed was used. There were two phase were employed; front-back analysis and prototype. The result of front-back analysis showed that the students needed instructional materials to help them imagine surface form. Consequently, instructional materials were designed on the basis of e-learning. Then, validation was conducted by consulting three validators. The result of validation by relevant experts showed that the e-learning based instructional materials were valid both in terms of construct and content.</em><em></em></p><p style="margin: 1em 0px; color: #111111; font-family: 'Times New Roman', Times, Georgia, serif; font-size: 11.2px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff;"><strong>Kata kunci:</strong><span class="Apple-converted-space"> </span>pengembangan, bahan ajar,<span class="Apple-converted-space"> </span><em>e-learning</em>, KPB 1.</p>