S Efendi

Security analysis in file with combinations One Time Pad Algorithm and Vigenere Algorithm

H Mawengkang, I L Sitepu, S Efendi, 2018 .

The gap values in the profile matching method by fuzzy logic

S Efendi, S A Sitepu, Z Situmorang, 2018 .

Improved hybridization of Fuzzy Analytic Hierarchy Process (FAHP) algorithm with Fuzzy Multiple Attribute Decision Making - Simple Additive Weighting (FMADM-SAW)

S Efendi, M Zarlis, B E Zaiwani, 2018 .

Combination analysis of ElGamal algorithm and LUC algorithm in file security

H Mawengkang, S Efendi, A F Siregar, 2018 .

Analysis of determining centroid clustering x-means algorithm with davies-bouldin index evaluation

S Efendi, M Zarlis, M. Mughnyanti, 2020, IOP Conference Series: Materials Science and Engineering.

Monitoring the Value of Water Quality and Condition Parameters Using the Open Sensor Aquarium

S Efendi, Sulindawaty, B Siregar, 2019, Journal of Physics: Conference Series.