Junaidi, Junaidi and Tomi, Mandala Putra and Arif Surtono, Arif Surtono and GURUM A. PAUZI, GURUM A. PAUZI and Sri Wahyu Suciyati, sw suciyati and Iqbal Firdaus, I.F and Leni, Rumiyanti (2021) Measurement of Physical Parameters of Water Quality in Real-Time Based on Arduino. Journal of Physics: Conference Series, 1751. pp. 1-7. ISSN Print : 1742-6588 Online : 1742-6596

Leni, Rumiyanti and Didik, Ariyanto and Shania, Gracia and Syafriadi, Syafriadi and Iqbal Firdaus, I.F (2021) Sintering temperature effect on optical properties of zinc oxide thin film on glass substrate prepared by sol-gel spin coating method. Journal of Physics: Conference Series, 751. pp. 1-8. ISSN Print : 1742-6588 Online : 1742-6596

Leni, Rumiyanti and Intan, Wandira and Wisnu, Ari Adi and Simon, Sembiring and Junaidi, Junaidi (2021) Structure analysis of electromagnetic waves absorbing material a lanthanum manganite system of (La0.8Ba0.2)(Mn(1-x)/2Znx Fe(1-x)/2)O3. Journal of Physics: Conference Series, 1751. pp. 1-8. ISSN Print : 1742-6588 Online : 1742-6596

Leni, Rumiyanti and Didik, Ariyanto and Shania, Gracia and Syafriadi, Syafriadi and Simon, Sembiring (2021) Sintering temperature effect on optical properties of zinc oxide thin film on glass substrate prepared by the sol-gel spin coating method. Journal of Physics: Conference Series, 1751. pp. 1-8. ISSN Print : 1742-6588 Online : 1742-6596

Leni, Rumiyanti and Siska, Wulandari and Tika, Damayanti (2020) Optimization of using Baturaja fly ash as a Portland Composite Cement (PCC) additive. Journal of Physics: Conference Series, 1572. pp. 1-7. ISSN Print : 1742-6588 Online : 1742-6596

Leni, Rumiyanti and Siska, Wulandari and Tika, Damayanti and Simon, Sembiring and Warsito, Warsito (2020) Optimization Of Using Baturaja Fly Ash As A Portland Composite Cement (PCC) Additive. In: The 9th International Conference on Theoretical and Applied Physics (ICTAP) 26-28 September 2019, Bandar Lampung, Indonesia, 26-28 September 2019, Bandar Lampung.

Leni, Rumiyanti and Siska, Wulandari and Tika, Damayanti and Simon, Sembiring and Warsito, Warsito (2019) The Deposition of Silver (Ag) on a Glass Substrate (Sio2) using Direct Current Sputtering Method. In: ICASMI 2018 (International Conference on Applied Sciences Mathematics and Informatics), 9-11 Agustus 2018, Hotel Emersia, Bandar Lampung.

Leni, Rumiyanti and Listiani, Listiani and Tika, Damayanti and Simon, Sembiring and Warsito, Warsito (2019) The Deposition of Silver (Ag) on a Glass Substrate (Sio2) using Direct Current Sputtering Method. Journal of Physics: Conference Series, 1338. pp. 1-6. ISSN Print : 1742-6588 Online : 1742-6596

Leni, Rumiyanti and Listiani, Listiani and Tika, Damayanti (2019) OPTIMIZATION OF THE USE OF FLY ASH IS AN ADDITIVE PORTLAND COMPOSITE CEMENT (PCC). Spektra: Jurnal Fisika dan Aplikasinya, 4 (2). pp. 61-72. ISSN p-ISSN: 2541-3384; e-ISSN:2541-3392

Leni, Rumiyanti and Yuliana, Sari and Muhamad, Amin (2019) Pengaruh Temperatur terhadap Karakterisasi Klinker Semen dengan Substitusi 20% Batu Basalt terhadap Massa Batu Kapur dan 20% Batubara terhadap Massa Total sebagai Reduktor. Jurnal Teori dan Aplikasi Fisika, 7 (1). pp. 29-34. ISSN 2303-016X

Whika, Febria Dewatisari and Leni, Rumiyanti and Ismi, Rakhmawati (2017) Rendemen dan Skrining Fitokimia pada Ekstrak Daun Sanseviera sp. Jurnal Penelitian Pertanian Terapan, 17 (3). pp. 197-202. ISSN 1410-5020

Whika, Febria Dewatisari and Leni, Rumiyanti and Ismi, Rakhmawati (2017) Rendemen dan Skrining Fitokimia pada Ekstrak Daun Sanseviera sp. Jurnal Penelitian Pertanian Terapan, 17 (3). pp. 197-202. ISSN 1410-5020

Leni, Rumiyanti and Destiana, Catur and Oktaviani, Ria and Syafriadi, Syafriadi and Marjunus, Roniyus and Chotimah, Chotimah and Suharyadi, Edi Facile pore size control and low-cost synthesis of mesoporous silica nanoparticles based on rice husk. Advances in Natural Sciences: Nanoscience and Nanotechnology. ISSN 2043-6262

Leni, Rumiyanti and Amilia, Rasitiani and Ediman, Ginting Suka Skrinning Fitokimia Ekstrak Daun Sirsak (Annona muricata) Dan Pengaruhnya Terhadap Laju Korosi Baja Karbon ST 37. Jurnal Teori dan Aplikasi Fisika, 7 (1). pp. 1-6. ISSN 2303-016X