1) Von Thunen Model-
i] drive.google.com/file/d/1Q0VS12YvIm32KmGw4MgtOayfkqWlRdyk/view?usp=sharing
ii] drive.google.com/open?id=17TCiKMq_YB0KMW2gPSzHPkYbnG-NNIKS
2) Weber's Least Cost Location Theory-
i] drive.google.com/file/d/1vabv5KeY1_6sFgWlfPEeXDaFfl0L-CfZ/view?usp=sharing
ii] drive.google.com/file/d/1JjxsqRWNIW6KOAcrXO4plxCXTe1PIfjG/view?usp=sharing