SK Singh, PK Singh, KK Singh, KN Shukla, HS Chauhan. Development of a wetting front indicator for the measurement of sub-surface wetted front advance. JAEI [Internet]. 2000 Dec. 30 [cited 2026 Jun. 4];37(04):41-7. Available from: https://pub.isae.in/index.php/jae/article/view/3861