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Vol 19, No 1 (2020): Mei

Table of Contents

Research Article

Wahyu Heryanto Putra, Fachri Eka Saputra

| Language: IND | DOI: 10.14710/jspi.v19i1.1-14
Received: 19 Mar 2020; Published: 1 May 2020; Available online: 16 Dec 2020.
1-14

Stephanie Rahma, Novi Chandra, Sabrina Sihombing

| Language: EN | DOI: 10.14710/jspi.v19i1.15-31
Published: 1 May 2020; Available online: 16 Dec 2020.
15-31

Nikita Fauziah Tarigan, Nurul Huda, Nazwirman Nazwirman

| Language: IND | DOI: 10.14710/jspi.v19i1.32-42
Published: 1 May 2020; Available online: 16 Dec 2020.
32-42

Sunanda Sunanda, Mirza Mirza

| Language: IND | DOI: 10.14710/jspi.v19i1.43-50
Received: 26 Feb 2020; Published: 1 May 2020; Available online: 16 Dec 2020.
43-50

Marsya Rizqia Chairunnisa, Mirwan Surya Perdhana

| Language: EN | DOI: 10.14710/jspi.v19i1.51-61
Published: 1 May 2020; Available online: 16 Dec 2020.
51-61